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@article{MASLO_1992__42_4_a0, author = {Borodin, Oleg V.}, title = {An extension of {Kotzig's} theorem on the minimum weight of edges in $3$-polytopes}, journal = {Mathematica slovaca}, pages = {385--389}, publisher = {mathdoc}, volume = {42}, number = {4}, year = {1992}, mrnumber = {1195032}, zbl = {0767.05040}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1992__42_4_a0/} }
Borodin, Oleg V. An extension of Kotzig's theorem on the minimum weight of edges in $3$-polytopes. Mathematica slovaca, Tome 42 (1992) no. 4, pp. 385-389. http://geodesic.mathdoc.fr/item/MASLO_1992__42_4_a0/