Sanchez, D.A. <br/><br/>
Ordinary differential equations and stability theory. 
D.A. Sachesz. 
 - London:  W.H. Freeman and company,  1968. 
 - vi, 164p. 
<br/><br/><label>Subjects--Index Terms: </label>Ordinary differential equations and stability theory. 
<br/><br/><label>Universal Decimal Class. No.: </label>517.91  / SAN