@article{DAN_1967_175_5_a4,
     author = {Yu. A. Dmitriev},
     title = {Criteria for the dissipativity and existence of periodic solutions of impulsive automatic systems with one nonlinear block},
     journal = {Doklady Akademii Nauk},
     pages = {989--992},
     year = {1967},
     volume = {175},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_175_5_a4/}
}