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@article{DE_1997_33_10_a5, author = {A. Ya. Narmanov}, title = {On the dependence of the controllability set on the target point}, journal = {Differencialʹnye uravneni\^a}, pages = {1334--1338}, publisher = {mathdoc}, volume = {33}, number = {10}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1997_33_10_a5/} }
A. Ya. Narmanov. On the dependence of the controllability set on the target point. Differencialʹnye uravneniâ, Tome 33 (1997) no. 10, pp. 1334-1338. http://geodesic.mathdoc.fr/item/DE_1997_33_10_a5/