Baranov, I. <br/><br/>
Mathematics for pre-college students / 
By I. Baranov, G. Bogatyrev, O. Bokavnev;trl. by L. Levant. 
 - Moscou :  Mir Publishers,  1990. 
 - 376 p. :  fig. ;  22 cm. 
<br/><br/>Index pp. 369-376 
<br/><br/><label>ISBN: </label>5-03000950-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics