TY - JOUR AU - Luterotti, Fabio TI - Some results on weak solutions to a class of singular hyperbolic variational inequalities JO - Rendiconti del Seminario Matematico della Università di Padova PY - 1993 SP - 189 EP - 205 VL - 90 PB - Seminario Matematico of the University of Padua UR - http://www.numdam.org/item/RSMUP_1993__90__189_0/ LA - en ID - RSMUP_1993__90__189_0 ER -