[1] V. I. IGOŠIN:
Charakterizuemy klassy algebraičeskich sistem. Issledovanija po alg., vyp. 4, Saratov 1974, 27-42.
MR 0439712
[2] V. I. IGOŠIN:
Ob $h$-charakterizuemych klassach algebraičeskich sistem. Issl. po alg., vyp. 3, Saratov 1973, 14-19.
MR 0330011
[3] J. JEŽEK V. SLAVÍK:
Some examples of primitive lattices. Acta Univ. Carolinae - Math. et Phys. 14 (1973), 3-8.
MR 0376463
[4] A. KOSTINSKY:
Projective lattices and bounded homomorphisms. Pacif. J. Math. 40 (1972), 111-119.
MR 0302519 |
Zbl 0253.06002
[5] R. McKENZIE:
Equational bases and nonmodular lattice varieties. Trans. Amer. Math. Soc. 174 (1972), 1-44.
MR 0313141