@article{DE_1987_23_2_a25,
     author = {A. P. Sadovskii},
     title = {Remarks on the existence of a holomorphic integral in the critical case of a double zero root},
     journal = {Differencialʹnye uravneni\^a},
     pages = {355--357},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_2_a25/}
}