@article{SJVM_1998_1_1_a1,
     author = {S. K. Godunov and V. M. Gordienko},
     title = {The {Krylov} space and the {Kalman} equation},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {5--10},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_1998_1_1_a1/}
}