@article{DAN_1971_201_4_a2,
     author = {A. M. Dement'eva},
     title = {On difference methods of constructing an implicit function},
     journal = {Doklady Akademii Nauk},
     pages = {774--777},
     publisher = {mathdoc},
     volume = {201},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_4_a2/}
}