%0 Journal Article %A S. A. Gritsenko %T Zeros of a~special type of function associated with Hecke $L$-functions of imaginary quadratic fields %J Izvestiya. Mathematics %D 1997 %P 45-68 %V 61 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1997_61_1_a1/ %G en %F IM2_1997_61_1_a1