@article{DAN_1979_248_1_a0,
     author = {G. G. Akopyan},
     title = {An estimate of the errors of cubature formulas for differentiable functions on domains with degenerate angles},
     journal = {Doklady Akademii Nauk},
     pages = {11--15},
     publisher = {mathdoc},
     volume = {248},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_1_a0/}
}