@article{UZERU_2001_2_a4,
     author = {S. G. Shahinyan},
     title = {Stability of systems with retardation in the case of small integral perturbations},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {27--31},
     publisher = {mathdoc},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2001_2_a4/}
}