@article{105262,
author = {Milan Koman},
title = {On nonplanar graphs with the minimum number of vertices and a given girth},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {011},
year = {1970},
pages = {9-17},
zbl = {0195.25802},
mrnumber = {0265199},
language = {en},
url = {http://dml.mathdoc.fr/item/105262}
}
Koman, Milan. On nonplanar graphs with the minimum number of vertices and a given girth. Commentationes Mathematicae Universitatis Carolinae, Tome 011 (1970) pp. 9-17. http://gdmltest.u-ga.fr/item/105262/
Sur le problème des courbes gauches en topologie, Fund. Math. 15-16 (1930), 271-283. (1930)
Some properties of graphs containing $k$ independent circuits, Theory of Graphs, Proc. Colloq. Tihany, Hungary, 1966, Akadémiai Kiadó, Budapest (1968), 321-332. (1966) | MR 0241319