@article{MZM_2001_70_2_a6,
     author = {G. A. Kurina},
     title = {Invertibility of an {Operator} {Appearing} in the {Control} {Theory} for {Linear} {Systems}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {230--236},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2001_70_2_a6/}
}