Nemytskii, V.V & Stepanov, V.V <br/><br/>
Qualitative theory of differential equations 
V.V. Nemytskii & V.V. Stepanov 
 - New Jersey  Princeton University Press  1960 
 - viii  523 
 - Princeton mathematical series 22 .
<br/><br/><label>Dewey Class. No.: </label>10.01  / NEMY