@article{DE_1973_9_11_a3,
     author = {G. A. Kamenskii and A. D. Myshkis and N. Vaynberg},
     title = {The differential equation of neutral type that has an integrating factor},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1956--1965},
     publisher = {mathdoc},
     volume = {9},
     number = {11},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_11_a3/}
}