@article{DE_1977_13_10_a2,
     author = {L. M. Berezanskii},
     title = {On the question of conditions for the reducibility of functional-differential equations to canonical form},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1749--1756},
     publisher = {mathdoc},
     volume = {13},
     number = {10},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_10_a2/}
}