@article{DAN_1961_141_5_a0,
     author = {G. V. Badalyan},
     title = {A criterion for expanding functions into quasi-power series and quasi-analytic classes of functions},
     journal = {Doklady Akademii Nauk},
     pages = {1009--1010},
     publisher = {mathdoc},
     volume = {141},
     number = {5},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_5_a0/}
}