%0 Journal Article %A ERNST S. SELMER %T The exceptional points of a cubic curve which is symmetric in the homogeneous variables %J Mathematica Scandinavica %D 1954 %P 227-236 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1954__2_165545/ %F MS2_1954__2_165545