TY - JOUR AU - Iwaniec, Henryk TI - Character sums and small eigenvalues for Г0(p) JO - Glasgow mathematical journal PY - 1985 SP - 99 EP - 116 VL - 26 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708950000611X/ DO - 10.1017/S001708950000611X ID - 10_1017_S001708950000611X ER -