@article{DAN_1983_269_1_a20,
     author = {T. A. Sushkevich and I. V. Mishin and A. A. Ioltukhovskii},
     title = {Nonlinear space -- frequency characteristics of the
},
     journal = {Doklady Akademii Nauk},
     pages = {84--88},
     publisher = {mathdoc},
     volume = {269},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_269_1_a20/}
}