%0 Journal Article %A Grätzer, G. %T Applying the Czédli-Schmidt Sequences to Congruence Properties of Planar Semimodular Lattices %J Discussiones Mathematicae. General Algebra and Applications %D 2021 %P 153-169 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2021_41_1_a12/ %G en %F DMGAA_2021_41_1_a12