@article{DE_1982_18_10_a8,
     author = {R. Kh. Galeev},
     title = {The {Cauchy} problem for passive systems in {Hilbert} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1718--1724},
     publisher = {mathdoc},
     volume = {18},
     number = {10},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_10_a8/}
}