Hurewicz, Witold <br/><br/>
Lectures on ordinary differential equations 

 - Cambridge:   MIT,   1958. 
 - 122 p.:   graf., il.;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIFFERENTIAL EQUATIONS<br/>SINGULARITY
<br/><br/><label>Universal Decimal Class. No.: </label>02.30 (9)