@article{DMGAA_2021_41_2_a12,
     author = {Gr\"atzer, G. and Lakser, H.},
     title = {Revisiting the {Representation} {Theorem} of {Finite} {Distributive} {Lattices} with {Principal} {Congruences.} {A} {\protect\emph{Proof-By-Picture}} {Approach}},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {411--417},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2021_41_2_a12/}
}