TY  - JOUR
AU  - V. G. Boltyanskii
TI  - Homotopy theory of continuous mappings and of vector fields
JO  - Informatics and Automation
PY  - 1955
SP  - 3
EP  - 199
VL  - 47
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1955_47_a0/
LA  - ru
ID  - TRSPY_1955_47_a0
ER  -