[3] H. Gaitan:
Finitely generated subvarieties of demi-p-lattices. Reports of Math. Logic 26 (1992), 25–38.
MR 1231310 |
Zbl 0785.06009
[4] G. Grätzer and H. Lakser:
The structure of pseudocomplemented distributive lattices. III: Injective and absolute subretracts. Trans. Amer. Math. Soc. 169 (1972), 475–487.
MR 0309821