[1] M. E. Adams and R. Beazer: Congruence properties of distributive double p-algebras. Czechoslovak Math. J. 41(116) (1991), no. 2. MR 1105437

[2] R. Balbes and P. Dwinger: Distributive Lattices. University of Missouri Press, Columbia, Missouri, 1974. MR 0373985

[3] G. Grätzer: Universal Algebra. Van Nostrand, Princeton, 1968. MR 0248066

[4] T. Katriňák: Subdirectly irreducible distributive double p-algebras. Algebra Universalis 10 (1980), 195–219. DOI 10.1007/BF02482902 | MR 0560141

[5] H. Lakser: The structure of pseudo-complemented distributive lattices I: subdirect decomposition. Trans. Amer. Math. Soc. 156 (1971), . MR 0274358