@article{DE_1987_23_12_a7,
     author = {A. I. Yablonskii and A. F. Korzyuk},
     title = {A method for constructing systems of nonlinear differential equations of arbitrary order with moving polar singular points},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2074--2079},
     publisher = {mathdoc},
     volume = {23},
     number = {12},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_12_a7/}
}