Akopyan G G

Publications in Math-Net.Ru

1. Sequences of cubature formulas for differentiable functions in domains with degenerate corners
   
   Trudy Mat. Inst. Steklov., 156 (1980),  4–15
2. An estimate of the errors of cubature formulas for differentiable functions on domains with degenerate angles
   
   Dokl. Akad. Nauk SSSR, 248:1 (1979),  11–15