%0 Journal Article %A A. Denic %T Application of exact and heuristic methods to magic square problem %J Mathematica balkanica %D 2011 %P 491 %V 25 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2011_25_5_a3/ %F MABA_2011_25_5_a3