Sobolev, Leonid Sergeevich,  1889- <br/><br/>
The big refit / 
Leonid S. Sobolev ; translated from the Russian b y Bernard Isaacs. 
 - Moscow :  Progress Publishers,  1965. 
 - 2 pts. in 1 v. ;  21 cm. 
<br/><br/><label>Dewey Class. No.: </label>891.7344