@article{MZM_1988_44_3_a13,
     author = {E. N. Khailov},
     title = {Analytic parametrization of the set of controllability in a linear control problem},
     journal = {Matemati\v{c}eskie zametki},
     pages = {405--406},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a13/}
}