Sergeev N P

Publications in Math-Net.Ru

1. Generalized quadrature formulae of highest algebraic accuracy
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1971, no. 9,  85–93
2. On convergence of generalized quadrature formulae
   
   Zh. Vychisl. Mat. Mat. Fiz., 5:5 (1965),  917–922