TY  - JOUR
AU  - L. S. Pontryagin
TI  - Smooth manifolds and their applications in homotopy theory
JO  - Informatics and Automation
PY  - 1955
SP  - 3
EP  - 139
VL  - 45
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1955_45_a0/
LA  - ru
ID  - TRSPY_1955_45_a0
ER  -