@article{DAN_1977_233_5_a6,
     author = {S. I. Konyaev},
     title = {Ninth-order quadrature formulas invariant with respect to the icosahedral group},
     journal = {Doklady Akademii Nauk},
     pages = {784--787},
     publisher = {mathdoc},
     volume = {233},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_5_a6/}
}