G. Grätzer

发表

Revisiting the Representation Theorem of Finite Distributive Lattices with Principal Congruences. A Proof-By-Picture Approach

G. Grätzer, H. Lakser, H. Lakser, 2021, 2104.13835.

Joins and Direct Products of Equational Classes

G. Grätzer, H. Lakser, J. Płonka, 1969, Canadian Mathematical Bulletin.

A Note on the Implicational Class Generated by a Class of Structures

G. Grätzer, H. Lakser, H. Lakser, 1973, Canadian Mathematical Bulletin.