%0 Journal Article %A Anatoli Andrianov %T Interaction sums and action of Hecke operators on theta-series %J Acta Arithmetica %D 2009 %P 271-304 %V 140 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa140-3-4/ %R 10.4064/aa140-3-4 %G en %F 10_4064_aa140_3_4