EL'Sgol, L.E. <br/><br/>
Differential equations 
L.E. EL' Sgol 
 - 
 - Delhi  Hindustan Publishing Corpn. (India)  c1961. 
 - 359 p. : 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--General
<br/><br/><label>Dewey Class. No.: </label>515.35 ELS