Bulletin of the American Mathematical Society · 1966 · 67 citations · 8 references
8
Subobjects, adequacy, completeness and categories of algebras
John Isbell · 1964 · 84 citations
On the non-existence of free complete Boolean algebras
Alfred W. Hales · Fundamenta Mathematicae · 1964 · 61 citations · Full text
Inner models for set theory – Part III
J. C. Shepherdson · Journal of Symbolic Logic · 1953 · 57 citations