@article{DAN_1965_163_5_a9,
     author = {O. V. Sarmanov},
     title = {On the method of character coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {1081--1084},
     year = {1965},
     volume = {163},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_5_a9/}
}