Nauka Soyuza SSR 
[redaktsionnaya kollegiya M. V. Keldysh . [yet al. ] ; sostavitel G. D. Komkov]. 
 - Moskva :  Nauka,  1972. 
 - 427 p. : 
<br/><br/><label>ISBN: </label>RUSSIAN7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>509.47  / Na