@article{IVM_1997_6_a4,
     author = {P. M. Simonov and A. V. Chistyakov},
     title = {On exponential stability of linear difference-differential systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {37--49},
     publisher = {mathdoc},
     number = {6},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1997_6_a4/}
}