Korovkin, P. P. <br/><br/>
Limits and continuity. 

 - New York:  Gordon & Breach,  1963. 
 - 125 p.: 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matematica.
<br/><br/><label>Dewey Class. No.: </label>515   / K84l