@article{DE_1977_13_6_a23,
     author = {G. P. Razmyslovich},
     title = {Zur {Theorie} der vollen {Steuerbarkeit} von {Systemen} mit {Retardierung} nach dem {Zustand}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1141},
     publisher = {mathdoc},
     volume = {13},
     number = {6},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_6_a23/}
}