1985

On the nonexistence of free complete distributive lattices.
Order, 1(4):399-403, 1985.
Octavio Garcia and Evelyn Nelson.
[doi]  [abstract]  [BibTeX] 

1964

On the non-existence of free complete Boolean algebras.
Fundamentae Mathematica, 54:45-66, 1964.
A. W. Hales.
[doi]  [BibTeX]