TY  - JOUR
AU  - P. S. Soltan
TI  - Simultaneous solution of several Steiner problems on a graph
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 294
EP  - 297
VL  - 202
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_202_2_a11/
LA  - ru
ID  - DAN_1972_202_2_a11
ER  -