@article{AL_1985_24_1_a1, author = {N. A. Kulikov}, title = {Definability of graphs by lattices of congruences}, journal = {Algebra i logika}, pages = {13--25}, publisher = {mathdoc}, volume = {24}, number = {1}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1985_24_1_a1/} }