@article{MZM_1970_7_6_a10,
     author = {V. B. Kolmanovskii},
     title = {Stability of nonlinear systems with delay},
     journal = {Matemati\v{c}eskie zametki},
     pages = {743--752},
     publisher = {mathdoc},
     volume = {7},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a10/}
}