Boltyansky, V.G. <br/><br/>
Differentiation explained / 
by V.G. Boltyansky; transl. from Russian by M. Samokhvalov. 
 - Moscow :  Mir,  1977. 
 - 62 p. :  fig. ;  20 cm. 
 - Little Mathematics Library .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differentiation