%0 Journal Article %A Kosmatov, Nickolai %T A boundary value problem of fractional order at resonance %J Electronic Journal of Differential Equations %D 2010 %V 2010 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a289/ %G en %F EJDE_2010__2010__a289