%0 Journal Article %A I. M. Conte %A I. I. Slavov %T Well-Posedness of an Optimal Control Problem with a Singular Perturbation and Integral Constraints %J Mathematica balkanica %D 1991 %P 212 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1991_5_3_a4/ %F MABA_1991_5_3_a4