%0 Journal Article %A Borodin, Oleg V. %T An extension of Kotzig's theorem on the minimum weight of edges in $3$-polytopes %J Mathematica slovaca %D 1992 %P 385-389 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1992__42_4_a0/ %G en %F MASLO_1992__42_4_a0