@article{DAN_1979_244_5_a12,
     author = {V. A. Shurygin},
     title = {Bounds on the complexity of normal algorithms},
     journal = {Doklady Akademii Nauk},
     pages = {1097--1101},
     year = {1979},
     volume = {244},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_5_a12/}
}