Liusternik, L.A. <br/><br/>
Elements of functional analysis   
by L.A. Liusternik, V.J. Sobolev 
 - New York  Constable Unger pub.  1961 
 - ix, 227p. 
<br/><br/><label>LCCN: </label>60-53137 
<br/><br/><label>Dewey Class. No.: </label>515.7  / N61