@article{DE_1975_11_12_a23,
     author = {V. P. Pisarenok and A. I. Yablonskii},
     title = {The movable essentially singular points of a first order differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2281--2282},
     publisher = {mathdoc},
     volume = {11},
     number = {12},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_12_a23/}
}