%0 Journal Article %A Zelinka, Bohdan %T Eulerian polar graphs %J Czechoslovak Mathematical Journal %D 1976 %P 361-364 %V 26 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101411/ %R 10.21136/CMJ.1976.101411 %G en %F 10_21136_CMJ_1976_101411