%0 Journal Article %A V. Hiris %A M. Megan %T Controllability of linear systems and a boundary value problem. %J Aequationes mathematicae %D 1977 %P 81-92 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1977__16_136678/ %F AM2_1977__16_136678