%0 Journal Article %A V. A. Evstigneev %T A time transportation problem in graph theory %J Doklady Akademii Nauk %D 1964 %P 814-815 %V 157 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_157_4_a15/ %G ru %F DAN_1964_157_4_a15