Mathematical problems in wave propagation theory / 
edited by V. M. Babich 
 - New York :  Consultants Bureau,  1970 
 - 107 p. :  ill. ;  28 cm. 
 - Seminars in mathematics  vol.9 .
<br/><br/> Translation of Matematicheskie voprosy teorii rasprostraneniia voln (romanized form) 
<br/><br/><br/>engrus 
<br/><br/><label>ISBN: </label>0306188090 
<br/><br/><label>LCCN: </label>79-013851 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wave motion, Theory of