Tuncer ACAR,
Ali ARAL,
Ioan RAŞA
Positive Linear Operators Preserving $\tau $ and $\tau ^{2}$
Positive Linear Operators Preserving $\tau $ and $\tau ^{2}$
Constructive Mathematical Analysis
2019-Cilt: 2 Sayı: 3
98-102
Generalized operators,
Voronovskaya theorem
191
86