TY  - JOUR
AU  - B. V. Martynov
TI  - Degenerate fibers of three-dimensional manifolds fibered into rational surfaces
JO  - Matematičeskie zametki
PY  - 1970
SP  - 191
EP  - 202
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1970_7_2_a6/
LA  - ru
ID  - MZM_1970_7_2_a6
ER  -