TY - JOUR AU - Amerio, Luigi TI - Continuous solutions of the problem of a string vibrating against an obstacle JO - Rendiconti del Seminario Matematico della Università di Padova PY - 1978 SP - 67 EP - 96 VL - 59 PB - Seminario Matematico of the University of Padua UR - http://www.numdam.org/item/RSMUP_1978__59__67_0/ LA - en ID - RSMUP_1978__59__67_0 ER -