TY - DATA TI - American Mathematical Society translations T2 - American Mathematical Society Translations: Series 2, SN - 9781470432225 (online) KW - Manifolds (Mathematics)Pontryagin spacesHomology theoryHomotopy theory N1 - Smooth manifolds and their applications in homotopy theory /; Investigations in the homotopy theory of continuous mappings. III. General theorems of extension and classification /; On Pontrjagin classes. III /; Homology invariants of topological spaces; L. S. Pontryagin; M. M. Postnikov; Wu Wen-tsun; M. F. Bokstein UR - http://www.ams.org/trans2/011 ER -