%0 Journal Article %A Pelczewski, Jerzy %T On an optimization problem described by some integral equations %J Acta Universitatis Lodziensis. Folia Mathematica %D 1987 %V 02 %I mathdoc %U http://geodesic.mathdoc.fr/item/AULFM_1987_02_a3/ %G pl %F AULFM_1987_02_a3