@article{DAN_1966_167_6_a5,
     author = {B. S. Razumikhin},
     title = {A method of studying the stability of systems with an aftereffect},
     journal = {Doklady Akademii Nauk},
     pages = {1234--1237},
     publisher = {mathdoc},
     volume = {167},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_167_6_a5/}
}