@article{IVM_1961_1_a15,
     author = {S. N. Shimanov},
     title = {Stability in the critical case of the zero solution for systems with retardation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {152--162},
     publisher = {mathdoc},
     number = {1},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1961_1_a15/}
}