@article{DE_1975_11_9_a2,
     author = {N. G. M. Vaynberg},
     title = {The existence and uniqueness of the solution of a certain equation of neutral type in the singular case},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1558--1567},
     publisher = {mathdoc},
     volume = {11},
     number = {9},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_9_a2/}
}