"Isayev, M. I." <br/><br/>
National languages in the USSR: problems and solutions 

 - Moscow  Progress Publishers  1977 
 - 430 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soviet Union languages
<br/><br/><label>Dewey Class. No.: </label>GL 409. 47 ISA