Liokumovich V I

Publications in Math-Net.Ru

1. Existence of $B$-spaces with a nonconvex modulus of convexity
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1973, no. 12,  43–49
2. The stability of orthogonal bases in a uniformly convex space
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1972, no. 10,  23–26