I. Gopengauz

Pointwise Estimates of the Trigonometric Interpolation

I. Gopengauz, 1997 .

Computational Study on Structure of Non-crystalline Oxides 2MeO·SiO2 (Me=Mg, Ca, Sr, Ba, Fe)

D. Belashchenko, I. Gopengauz, Alexander B. Grytsenko, 1992 .

On an approximation family of discrete polynomial operators

Y. Brudnyi, I. Gopengauz, 2012, J. Approx. Theory.

A theorem of A. F. Timan on the approximation of functions by polynomials on a finite segment

I. Gopengauz, 1967 .