%0 Journal Article %A Sung Guen Kim %T Norm attaining bilinear forms on the plane with the octagonal norm %J Commentationes Mathematicae %D 2023 %P 15-24 %V 61 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v61i1-2.7128/ %R 10.14708/cm.v61i1-2.7128 %G pl %F 10_14708_cm_v61i1_2_7128