Algebra Universalis · 1972 · 68 citations · 4 references
4
Two Mal'cev-type theorems in universal algebra
George Grätzer · Journal of Combinatorial Theory · 1970 · 63 citations
Injective and projective Stone algebras
Raymond Balbes, George Grätzer · Duke Mathematical Journal · 1971 · 48 citations
Characterizations of regular varieties
Béla Csákány · 1970 · 31 citations