The strength of the Grätzer-Schmidt theorem

Katie Brodhead, Mushfeq Khan, Bjørn Kjos-Hanssen, William A. Lampe, Paul Kim Long V. Nguyen, Richard A. Shore. The strength of the Grätzer-Schmidt theorem. Arch. Math. Log., 55(5-6):687-704, 2016. [doi]

Abstract

Abstract is missing.