TY - JOUR AU - Pizer, Arnold TI - Theta series and modular forms of level $p^2M$ JO - Compositio Mathematica PY - 1980 SP - 177 EP - 241 VL - 40 IS - 2 PB - Sijthoff et Noordhoff International Publishers UR - http://www.numdam.org/item/CM_1980__40_2_177_0/ LA - en ID - CM_1980__40_2_177_0 ER -