VYGODSKY, M. <br/><br/>
Mathematical handbook : elementary mathematics 

 - 21st ed. 
 -  Moscow : MIR  1972 
 - 422 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics : mathematical tables Arithmetic : algebra :
<br/><br/><label>Dewey Class. No.: </label>051  / V93