@article{DAN_1958_120_6_a15,
     author = {M. L. Lidov},
     title = {On limit solutions in the vicinity of a singular point},
     journal = {Doklady Akademii Nauk},
     pages = {1224--1227},
     publisher = {mathdoc},
     volume = {120},
     number = {6},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a15/}
}