@article{DE_1977_13_11_a1,
     author = {N. V. Azbelev and L. M. Berezanskii and L. F. Rakhmatullina},
     title = {A linear functional-differential equation of evolution type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1915--1925},
     publisher = {mathdoc},
     volume = {13},
     number = {11},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_11_a1/}
}