Pontriagin, L. S. (Lev Semenovich), 1908- <br/><br/>
Topological groups 
by L. S. Pontryagin ;translated from the Russian by Arlen Brown 
 - 3rd ed. 
 - New York  Gordon and Breach Science Publishers  1986 
 - 206 p. ; 24 cm. 
 - L. S. Pontryagin selected works  v.2 .
<br/><br/><label>ISBN: </label>2881241336 
<br/><br/><label>LCCN: </label>86-004726 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topological groups<br/>Groups continuous