%0 Journal Article %A Grätzer, G. %A Lakser, H. %T Revisiting the Representation Theorem of Finite Distributive Lattices with Principal Congruences. A Proof-By-Picture Approach %J Discussiones Mathematicae. General Algebra and Applications %D 2021 %P 411-417 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2021_41_2_a12/ %G en %F DMGAA_2021_41_2_a12