Gel' Fand I M <br/><br/>
Generalized functions    Properties and operations.5V. 

 -  1968 
<br/><br/><label>Standard No.: </label>125617 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B38:92, K4.1-.5