Pavel N.H <br/><br/>
Differential equations flow invariance and applications 

 - Boston  P.A. Pub. Program  1984 
 - 246 p. 
 -  113 .
<br/><br/> 19485 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>517.383  / P