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Survey 1979: Equational Logic - Department of Mathematics ...

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72<br />

, Certain algorithmic problems for finitely determined commutative semigroups, Sib. Mat.<br />

Zh. 8(1967), 525-534.<br />

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, The free closure algebra on finitely many generators, Indag. Math., 39(1977), 362-379.<br />

, Varieties <strong>of</strong> interior algebras, Ph.D. Thesis, University <strong>of</strong> Amsterdam, 1976.<br />

Blok. W. J. and P. Dwinger, Varieties <strong>of</strong> closure algebras III, Notices Amer. Math. Soc., 21(1974),<br />

A475-476.<br />

Blok, W. J., and P. K6hler, The semigroup <strong>of</strong> varieties <strong>of</strong> generalized interior algebras, Houston J.<br />

Math., 3(1977), 315-327.<br />

Bol'bot, A.D., <strong>Equational</strong>ly complete varieties <strong>of</strong> totally symmetric quasigroups, Algebra i Logika,<br />

7(1967), 13-19.<br />

Bruck, R. H., A survey <strong>of</strong> binary systems, Ergebnisse der Math. und ihres Grenzgibieten, N. F. Hefte,<br />

20(1958).<br />

Bruns, G., and G. Kalmbach, Varieites <strong>of</strong>orthomodular lattices, Canad. J. Math., 23( 1971), 802-810,<br />

II Ibid., 24(1972), 328-337.<br />

Bryant, R. M., Some infinitely based varieties <strong>of</strong> groups, J. Austral. Math. Soc., 16(1973), 29-32.<br />

Bulman-Fleming, S., and H. Werner, <strong>Equational</strong> compactness in quasi-primal varieties, Algebra<br />

Universalis, 7(1977), 3346.<br />

Burgin, M. S., Free products in linear 2-algebras, (Russian), Uspeki Mat. Nauk, 28(1973), 195.<br />

., Multiplication <strong>of</strong> varieties <strong>of</strong> linear 2-algebras, Izv. Vyss, U[ebn. Zaved. Mat., 1976, 3-14.<br />

., The freeness theorem in some varieties <strong>of</strong> linear algebras and rings, Russian Math. <strong>Survey</strong>s,<br />

24(1969), 25-35.<br />

Burmeister, P., Primitive Klassen partieller Algebren, Habilitationsschrift Bonn, 1971.<br />

Burris, S., A note on varieties <strong>of</strong> unary algebras, Colloq. Math., 22(1971), 195-196.<br />

ß Remarks on reducts <strong>of</strong> varieties, to appear.<br />

., Sub-Boolean power representations in quasi-primal varieties, to appear.<br />

Burris, S., and J. Lawrence, Definable principal congruences in varieties <strong>of</strong> groups and rings, Algebra<br />

Universalis, to appear.<br />

Chiaro, M. R., A cluster theorem for polynomial complete algebras, Algebra Universalis, 5(1975 ),<br />

197-202.<br />

Cignoli, R., Injectire de Morgan and Kleene algebras, Proc. Amer. Math. Soc., 47(1975), 269-278.<br />

Comer, S. D., Arithmetic properties <strong>of</strong> relatively free products, preprint.<br />

, Monadic algebras <strong>of</strong> finite degree, Algebra Universalis, 5(1975), 313-327.<br />

Comer, S. D., and D. X. Hong, Some remarks concerning the varieties generated by the diamond and<br />

the pentagon, Trans. Amer. Math. Soc., 174(1972), 45-54.<br />

Comer, S. and J. Johnson, The standard semigroup <strong>of</strong> operators <strong>of</strong> a variety, Algebra Universalis,<br />

2(1972), 77-79.<br />

Csfikdny, B., Abelian properties <strong>of</strong> primitive classes <strong>of</strong> universal algebras, Acta Sci. Math. (Szeged),<br />

25(1964), 202-208.<br />

, On the equivalence <strong>of</strong> certain classes <strong>of</strong> algebraic systems, (Russian), Acta Sci. Math.<br />

(Szeged), 23(1962), 46-57.<br />

ß Primitive classes <strong>of</strong> algebras which are equivalent to classes <strong>of</strong>semimodules and modules,<br />

(Russian), Acta. Sci. Math. (Szeged), 24(1963), 157-164.<br />

Varieties <strong>of</strong>affine modules, Acta. Sci. Math. (Szeged), 37(I 975), 17-23.<br />

¾<br />

Cupona, G., On some primitive classes <strong>of</strong> universal algebras, Mat. Vesnik, (18), 3(1966), 105-108.<br />

Correction, Ibid.(2! ), 6(1969), 354.<br />

Daigneault, A., Injectire envelopes, Amer. Math. Monthly, 76(1969), 766-774.

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