TY  - JOUR
AU  - V. A. Shcherbakova
TI  - Classes of oriented graded graphs with polynomially solvable cardinality Steiner problem
JO  - Diskretnaya Matematika
PY  - 1997
SP  - 73
EP  - 85
VL  - 9
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_1997_9_4_a6/
LA  - ru
ID  - DM_1997_9_4_a6
ER  -