%0 Journal Article %A A. Addou %A S. Lahrech %T Sufficient conditions for elliptic problem of optimal control in~$\mathbb R^N$ in Orlicz Sobolev space %J Lobachevskii journal of mathematics %D 2000 %P 19-32 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2000_6_a1/ %G en %F LJM_2000_6_a1