@article{TIMM_2017_23_1_a19,
     author = {M. S. Nikol'skii},
     title = {A nonlinear identification problem},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {206--211},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2017_23_1_a19/}
}