A Korovkin-type theorem for double sequences of positive linear operators via power series method

Positivity ◽  
2017 ◽  
Vol 22 (1) ◽  
pp. 209-218 ◽  
Author(s):  
Pınar Okçu Şahin ◽  
Fadime Dirik
2019 ◽  
pp. 1023-1034
Author(s):  
Fadime Dirik ◽  
Sevda Yıldız ◽  
Kamil Demirci

2013 ◽  
Vol 86 (1) ◽  
pp. 56-62
Author(s):  
Richard Beals

Sign in / Sign up

Export Citation Format

Share Document