TY  - JOUR
AU  - E. I. Litvak
TI  - A generalized theorem on negative cycles and estimates of the quality of flow transport in a network
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 540
EP  - 542
VL  - 269
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_269_3_a5/
LA  - ru
ID  - DAN_1983_269_3_a5
ER  -