@article{100680, author = {Pavol Brunovsk\'y}, title = {A condition of the existence of an universal best $\varepsilon$-stabilizing control}, journal = {Czechoslovak Mathematical Journal}, volume = {15}, year = {1965}, pages = {370-377}, zbl = {0154.10101}, mrnumber = {0181519}, language = {en}, url = {http://dml.mathdoc.fr/item/100680} }
Brunovský, Pavol. A condition of the existence of an universal best $\varepsilon$-stabilizing control. Czechoslovak Mathematical Journal, Tome 15 (1965) pp. 370-377. http://gdmltest.u-ga.fr/item/100680/
On the best stabilizing control under a given class of perturbations, Czech. math. journal 15, (90), (1965), 329-369. (1965) | MR 0181518
Theory of ordinary differential equations, New York, 1955. (1955) | MR 0069338