Fetisov Yu I

Publications in Math-Net.Ru

1. Conditions for the convergence of Fourier series in generalized spherical functions
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1974, no. 9,  56–64
2. The method of a small parameter for hyperbolic equations
   
   Differ. Uravn., 8:5 (1972),  823–834