@article{DAN_1990_311_3_a21,
     author = {A. G. Pavel'ev},
     title = {The information structure of image functions, and the possibility},
     journal = {Doklady Akademii Nauk},
     pages = {601--606},
     publisher = {mathdoc},
     volume = {311},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_311_3_a21/}
}