Pontriagin, L. S. (Lev Semenovich), 1908- <br/><br/>
Algebraic and differertial topology / 
L. S. Pontryagin ; translated from the Russian by P. S. V. Naidu 
 - New York :  Gordon and Breach Science Publishers,  1986 
 - 252 p. ;  24 cm. 
 - L. S. Pontryagin selected works  v.3 .
<br/><br/><label>ISBN: </label>2881240356 
<br/><br/><label>LCCN: </label>85-009793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebraic topology<br/>Differential topology