[1] DRAŠKOVIČOVÁ H.:
Weak direct product decomposition of algebras. In: Contributions to General Algebra 5. Proc. of the Salzburg Conference, May 29-June 1, 1986, Wien, 1987, pp. 105-121.
MR 0930914
[2] HASHIMOTO J.:
Direct, subdirect decompositions and congruence relations. Osaka J. Math. 9 (1957), 87-112.
MR 0091248 |
Zbl 0078.01805
[3] JAKBÍK J.:
Weak product decompositions of discrete lattices. Czechoslovak Math. J. 21 (96) (1971), 399 -412.
MR 0286723
[4] McKENZIE R., McNULTY G., TAYLOR W.:
Algebras, Lattices, Varieties. Vol. I. Wadsworth & Brooks, Monterey, 1987.
MR 0883644