Kuznetson, Boris Grigor'evich,  1903- <br/><br/>
Philosophy of optimism / 
Boris Grigor'evich Kuznetson. 
 - Moscow :  Progress Publishers,  1977. 
 - 343 p. ;  21 cm. 
 - Current problems .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optimism
<br/><br/><label>Dewey Class. No.: </label>149.5