%0 Journal Article %A V. Gritsenko %T Elliptic genus of Calabi--Yau manifolds and Jacobi and Siegel modular forms %J Algebra i analiz %D 1999 %P 100-125 %V 11 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1999_11_5_a3/ %G ru %F AA_1999_11_5_a3