Demidenko, Gennadii V. <br/><br/>
Partial differential equations and systems not solvable with respect to the highest-order derivative / 
Gennadii V. Demidenko, Stanislav V. Upsenskii. 
 - [S.l.] :  CRC Press,  2003. 
 - 632 p. ;  25 cm. 
 - Pure and applied mathematics. .
 - Pure and applied mathematics. .
<br/><br/><label>ISBN: </label>0824740394 9780824740399 
<br/><br/><label>Dewey Class. No.: </label>515.353