@article{DE_1974_10_10_a16,
     author = {I. Ya. Viner},
     title = {A study of certain functional-differential equations with a regular singular point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1891--1893},
     publisher = {mathdoc},
     volume = {10},
     number = {10},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_10_a16/}
}