Vartanyan Grigorij Mihajlovich

Publications in Math-Net.Ru

1. Rate of approximation of functions in the Hardy–Orlicz classes $H_{\varphi}$
   
   Mat. Zametki, 50:5 (1991),  23–31
2. On a resonance theorem
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1990, no. 8,  3–13