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@article{DAN_1970_194_6_a6, author = {V. A. Perepelitsa}, title = {Two problems from graph theory}, journal = {Doklady Akademii Nauk}, pages = {1269--1272}, publisher = {mathdoc}, volume = {194}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a6/} }
V. A. Perepelitsa. Two problems from graph theory. Doklady Akademii Nauk, Tome 194 (1970) no. 6, pp. 1269-1272. http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a6/