@article{TRSPY_1955_45_a0, author = {L. S. Pontryagin}, title = {Smooth manifolds and their applications in homotopy theory}, journal = {Informatics and Automation}, pages = {3--139}, publisher = {mathdoc}, volume = {45}, year = {1955}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1955_45_a0/} }