%0 Journal Article %A Širáň, Jozef %T On graphs containing many subgraphs with the same number of edges %J Mathematica slovaca %D 1980 %P 267-268 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1980__30_3_a6/ %G en %F MASLO_1980__30_3_a6