TY - JOUR AU - Biasco, Luca AU - Di Gregorio, Laura ID - 16499 JF - Archive for Rational Mechanics and Analysis SN - 0003-9527 TI - A Birkhoff–Lewis Type Theorem for the Nonlinear Wave Equation ER - TY - JOUR AU - Melbourne, Ian AU - Dellnitz, Michael AU - Golubitsky, Martin ID - 16634 JF - Archive for Rational Mechanics and Analysis SN - 0003-9527 TI - The structure of symmetric attractors ER -