@article{DAN_1972_202_1_a12,
     author = {T. Kh. Sharipov},
     title = {An upper bound for the norm of the error functional for cubature formulas with a {Sobolev} regular boundary layer},
     journal = {Doklady Akademii Nauk},
     pages = {51--53},
     year = {1972},
     volume = {202},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_1_a12/}
}