TY  - JOUR
AU  - Veira Martins, Ernesto Q.
TI  - A dual algorithm for the minimal cost flow problem
JO  - Portugaliae mathematica
PY  - 1979
SP  - 155
EP  - 165
VL  - 38
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1979__38_1-2_115378/
LA  - en
ID  - PORMA_1979__38_1-2_115378
ER  -