TY - JOUR AU - Koman, Milan TI - On nonplanar graphs with the minimum number of vertices and a given girth JO - Commentationes Mathematicae Universitatis Carolinae PY - 1970 SP - 9 EP - 17 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1970__11_1_a1/ LA - en ID - CMUC_1970__11_1_a1 ER -