@article{TIMM_2013_19_1_a4,
     author = {V. I. Vorotnikov and Yu. G. Martyshenko},
     title = {On problems of partial stability for delay systems},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {49--58},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2013_19_1_a4/}
}