Voronovskaja, E.V. <br/><br/>
Functional method and its applications 
E.V. Voronovskaja. 
 - Rhode Island:  AMS;  1970. 
 - vi, 203p. 
<br/><br/><label>Subjects--Index Terms: </label>Functions. 
<br/><br/><label>Universal Decimal Class. No.: </label>517.5  / VOR