%0 Journal Article %A Gravier, Sylvain %A Payan, Charles %T Tilings and isoperimetrical shapes I: Square lattice %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 2001 %P 63-77 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_2001__40_1_a8/ %G en %F AUPO_2001__40_1_a8