TY - JOUR AU - Furi, Massimo AU - Spadini, Marco PY - 1998/03/01 Y2 - 2024/03/29 TI - Multiplicity of forced oscillations for the spherical pendulum JF - Topological Methods in Nonlinear Analysis JA - TMNA VL - 11 IS - 1 SE - DO - UR - https://apcz.umk.pl/TMNA/article/view/TMNA.1998.009 SP - 147 - 157 AB - NO ABSTRACT ER -