%0 Journal Article %A Ya. Ihara %T Hecke Polynomials as congruence $\xi$ functions in elliptic modular case %J Matematika %D 1969 %P 72-100 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1969_13_3_a3/ %G ru %F MAT_1969_13_3_a3