@article{MZM_1990_47_3_a3,
     author = {I. N. Blinov},
     title = {Direct method for a~finitely smooth problem with {\textquotedblleft}small denominators{\textquotedblright}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {23--31},
     year = {1990},
     volume = {47},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_3_a3/}
}