@article{DE_1968_4_12_a5,
     author = {T. V. Stepanova},
     title = {The number of operations required in the investigation by {Frommer's} method of a singular point of a differential equation with piecewise quasianalytic right-hand side},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2208--2214},
     publisher = {mathdoc},
     volume = {4},
     number = {12},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_12_a5/}
}