Pontryagin, L. S.  1908- <br/><br/>
Ordinary differential equations/ 
Translated from the Russian by Leonas Kacinskas and Walter B. Counts. 
 - Reading, Mass.:  Addison-Wesley,  [1962]. 
 - 298 p.:  illus.;  24 cm. 
 - Adiwes international series in mathematics. .
<br/><br/><label>LCCN: </label>62017075 /L/r84 
<br/><br/><label>Nat. Bib. No.: </label>GB62-16248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>515.35  / P818o