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

324. The lattice of equational classes of semigroups with zero, Canad. Math. Bull,
14(1971), 531-535. {13.5 }
325. The lattice of equational classes of commutative semigroups, Canad. J. Math.,
23(1971), 875-895. {13.5}
326. , Not every equational class of infinitary algebras contains a simple algebra, Colloq.
Math., 30(1974), 27-30. {14.8}
327. Classes defined by implication, Algebra Universalis, 7(1977), 405-407.
{3}
328. Neumann B. H., On a problem of G. Grtzer, Publ. Math. Debrecen, 14(1967),
325-329. {14.1 }
329. The isomorphism problem for algebraically closed groups, 553-562 in [62]. { 17.1 }
330.*Neumann, H., Varieties of groups, Springer-Verlag, Berlin, 1967. {13.3,14.5,17.9 }
331. , Letter to J. Mycielski, June, 1968. {8.6}
332.*Neumann, W. D., Representing varieties of algebras by algebras, J. Austral. Math. Soc.,
11(1970), 1-8. {7,14.3 }
333.*, On Malcev conditions, J. Austral. Math. Soc., 17(1974), 376-384. {15,[427] }
334. Novikov, P.S., On the algorithmic undecidability of the word problem in group theory, Trudy
Mat. Inst. Steklov., No. 14, Izdat. Nauk SSSR, Moscow, 1955. {12}
335. Novikov, P.S., and S. I. Adjan, Infinite periodic groups I, II, III, Izv. Akad. Nauk SSSR Set.
Mat., 32(1968), 212-244, 251-524 and 709-731. {14.5}
336. Oates, S., and M. B. Powell, Identical relations in finite groups, J. Algebra, 1(1965),
11-39. {9.2 }
337. Olanskff, A. Ju., On the problem of a finite basis for the identities of groups, Izv. Akad. Nauk
SSSR, 34(1970), 376-384. Translation: Math. USSR - Izvestiya, 4(1970),
381-389. {9.18,13.3,14.4}
338.*Osborn, J., Varieties of algebras, Advances in Math., 8(1972), 162-369.
339. Padmanabhan, R., On identities defining lattices, Algebra Universalis, 1(1971), 359-361. {10}
340. , Equational theory of idempotent algebras, Algebra Universalis, 2(1972),
57-61. {10.12}
341. , Equational theory of algebras with a ma/ority polynomial, Algebra Universalis,
7(1977), 273-275. {10.1,10.2}
342. Padmanabhan, R., and R. W. Quackenbush, Equational theories of algebras with distributive
congruences, Proc. Amer. Math. Soc., 41(1973), 373-377. {6,10.7,10.13}
343. Page, W. F., Equationally complete varieties of generalized groups, Bull. Austral. Math. Soc.,
13(1975), 75-83. {13}
344. Page, W. F., and A. T. Butson, The lattice of equational classes of m-semigroups, Algebra
Universalis, 3(1973), 112-126. {13.5 }
345. Palyutin, E. A., The description of categorical quasivarieties, Alg. i Logika, 14(1975),
145-185. { 14.3}
346. Pareigis, B., Categories and Functors, Academic Press, New York, 1970. { 2,7 }
347. Peake, E. J., and G. R. Peters, Extension of algebraic theories, Proc. Amer. Math. Soc.,
32(1972), 358-362. {7}
348. Perkins, P., Unsolvable problems for equational theories, Notre Dame J. Formal Logic,
8(1967), 175-185. {12,12.1,12.3,12.4,12.6}
349. , Bases for equational theories of semigroups, J. Algebra, 11(1969),
298-314. {9.3,9.17,11,13.5 }
350. , An unsolvable provability problem for one-variable groupoM equations, Notre Dame
J. Formal Logic, 13(1972), 359-362. {12}
65