|Vol 1, No 1 (2011): January||On the Best Approximation of Certain Classes of Periodic Functions by Trigonometric Polynomials (pp. 129-144)||Abstract PDF|
|Anatolii Serdyuk, Ievgen Ovsii|
|Vol 7, No 1 (2017): January||On approximation by Stancu type Jakimovski-Leviatan-Durrmeyer operators||Abstract PDF|
|Mohammad Mursaleen, Taqseer Khan|
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