%0 Journal Article %A Serge Ochanine %T Elliptic genera, modular forms over KO*, and the Brown-Kervaire invariant. %J Mathematische Zeitschrift %D 1991 %P 277-292 %V 206 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174225/ %F MZ_1991__206_1_174225