Akerkar, Rajendra <br/><br/>
Nonlinear functional analysis 

 -  Narosa Publishing House, New Delhi  1999 
 - 157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional analysis; Mathematics
<br/><br/><label>Dewey Class. No.: </label>PG 515.7  AKE-N