TY  - JOUR
AU  - Fuat Usta 
							
TI  - Approximation of Functions by New Classes of Linear Positive Operators
								which Fix $\{1,\pi\}$ and $\{1,\pi^2\}$
JO  - Analele Universităţii "Ovidius" Constanţa Seria Matematică
PY  - 2020
VL  - XXVIII
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ASUO_2020_XXVIII_3_a18/
ID  - ASUO_2020_XXVIII_3_a18
ER  -