Borisov Viktor Vasil'evich

Publications in Math-Net.Ru

1. Uniform resolvent convergence of linear operators under perturbations
   
   Mat. Zametki, 48:2 (1990),  19–25
2. Singular perturbations of ordinary differential operators with integral boundary conditions
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1987, no. 1,  23–26
3. Simple examples of groups with unsolvable word problem
   
   Mat. Zametki, 6:5 (1969),  521–532