@article{SJIM_2019_22_2_a2,
     author = {A. V. Lakeyev and Yu. E. Linke and V. A. Rusanov},
     title = {On the differential realization of a second-order bilinear system in a {Hilbert} space},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {27--36},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2019_22_2_a2/}
}