@article{DE_1975_11_11_a10,
     author = {M. E. Sagalovich},
     title = {The topological structure of a neighborhood of a singular point of a differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2011--2018},
     publisher = {mathdoc},
     volume = {11},
     number = {11},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_11_a10/}
}