%0 Journal Article %A Bisconti, Luca %T Harmonic solutions to a class of differential-algebraic equations with separated variables %J Electronic Journal of Differential Equations %D 2012 %V 2012 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a23/ %G en %F EJDE_2012__2012__a23