Vygodsky, M. <br/><br/>
Mathematical handbook. 
M. Vygodsky. 
 - Moscow:  MIR publishers;  1979. 
 - 422p. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics. 
<br/><br/><label>Universal Decimal Class. No.: </label>51(035)  / VYG