Szarski, Jacek <br/><br/>
Differential inequalities 

 - Warszawa  PWN-Polish Scientific Publi.  1965 
 - 256 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / SZA