Romанов V S

Publications in Math-Net.Ru

1. Characterization of the Chebyshev spline of best approximation in the nonsymmetric norm of $L_1(a,b)$ with a positive weight for a class of continuous functions
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1992, no. 3,  45–50
2. Uniqueness of a Chebyshev spline of best $(\alpha,\beta)$-approximation in metric $L_1$ for the class of continuous functions
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1988, no. 5,  57–62