Donner Klaus <br/><br/>
Extension of positive operators and korovkin theorems 

 - Berlin  Springer-Verlag           1982 
 - xii, 181p.  cm. 
 - Lecture notes in mathematics; 904 .
<br/><br/><label>Standard No.: </label>29704 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Operational<br/>Positve operator
<br/><br/><label>Dewey Class. No.: </label>B48, M2