Hartman, Philip,   1915- <br/><br/>
Ordinary differential equations / 
Philip Hartman. 
 - 2nd ed. 
 - Boston, MA. :  Birkhauser ;  1982 
 - xiv, 612 p. :   ill ;   24 cm. 
<br/><br/>Includes index Bibliography: p. 581-606 
<br/><br/><label>LCCN: </label>81-21738 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations