Fridlyand Yu S

Publications in Math-Net.Ru

1. A universal Fourier series of a given function
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1973, no. 12,  91–98
2. An irremovable Carleman singularity for Haar's system
   
   Mat. Zametki, 14:6 (1973),  799–807