@article{FPM_2001_7_3_a8,
     author = {Yu. V. Zaika},
     title = {Integral observation operators of nonlinear dynamical systems},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {735--760},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2001_7_3_a8/}
}