%0 Journal Article %A Koman, Milan %T On nonplanar graphs with the minimum number of vertices and a given girth %J Commentationes Mathematicae Universitatis Carolinae %D 1970 %P 9-17 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1970__11_1_a1/ %G en %F CMUC_1970__11_1_a1