TY - JOUR AU - R. Salvati Manni TI - On the differential of applications defined on moduli spaces of p.p.a.v. with level theata structure. JO - Mathematische Zeitschrift PY - 1996 SP - 231 EP - 242 VL - 221 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1996__221_1_174847/ ID - MZ_1996__221_1_174847 ER -