Krein, M.G & Jakubovic, V.A <br/><br/>
Four papers on ordinary differential equations 
M.G. Krein & V.A. Jakubovic 
 - Providence  American Mathematical Society  1983 
 - iii  168 
 - AMS translations series 2, Vol. 120 .
<br/><br/><label>ISBN: </label>0821830759 
<br/><br/><label>Dewey Class. No.: </label>10.01+12.05+4.04  / KREI