%0 Journal Article %A Johnston, Katherine %T Non-modular congruence lattices of Rees matrix semigroups %J Czechoslovak Mathematical Journal %D 1985 %P 429-443 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102033/ %R 10.21136/CMJ.1985.102033 %G en %F 10_21136_CMJ_1985_102033