Murray, Francis J <br/><br/>
Existence theorems for ordinary differential equation 
/ by Francis j. Murray et al. 
 - New York:  Dover publications  2007 
 - x, 153p. 
<br/><br/><label>ISBN: </label>0486458105 
<br/><br/><label>Dewey Class. No.: </label>517.38  / MUR/E