@article{MZM_1990_47_4_a14,
     author = {Yu. N. Frolov},
     title = {Representation of analytic functions by series in solutions of differential equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {106--114},
     publisher = {mathdoc},
     volume = {47},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_4_a14/}
}