%0 Journal Article %T A group law on smooth real quartics having at least $3$ real branches %J Journal de Théorie des Nombres de Bordeaux %D 2002 %P 249-256 %V 14 %N 1 %I Université Bordeaux I %U https://doi.org/10.5802/jtnb.357 %R 10.5802/jtnb.357 %G en %F JTNB_2002__14_1_249_0