Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_141_6_a11, author = {S. M. Shvartin}, title = {Road net transportation with losses}, journal = {Doklady Akademii Nauk}, pages = {1324--1327}, publisher = {mathdoc}, volume = {141}, number = {6}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_6_a11/} }
S. M. Shvartin. Road net transportation with losses. Doklady Akademii Nauk, Tome 141 (1961) no. 6, pp. 1324-1327. http://geodesic.mathdoc.fr/item/DAN_1961_141_6_a11/