@article{DAN_1991_318_3_a8,
     author = {A. F. Sidorov},
     title = {Some estimates for the degree of energy cumulation in two- and},
     journal = {Doklady Akademii Nauk},
     pages = {548--552},
     publisher = {mathdoc},
     volume = {318},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a8/}
}