TY - JOUR AU - Mantegazza, Carlo TI - Some elementary questions in the calculus of variations JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2021 SP - 107 EP - 115 VL - 145 UR - http://archive.numdam.org/articles/10.4171/rsmup/73/ DO - 10.4171/rsmup/73 LA - en ID - RSMUP_2021__145__107_0 ER -