TY - JOUR AU - GUERZHOY, P. TI - Quadratic congruences for Cohen–Eisenstein series JO - Glasgow mathematical journal PY - 1999 SP - 141 EP - 144 VL - 41 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708959997060X/ DO - 10.1017/S001708959997060X ID - 10_1017_S001708959997060X ER -