%0 Journal Article %A Koubek, V. %A Sichler, J. %T On congruences of double p-algebras with nonvoid core %J Glasgow mathematical journal %D 1993 %P 385-394 %V 35 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009976/ %R 10.1017/S0017089500009976 %F 10_1017_S0017089500009976