@article{RSMUP_2021__145__107_0,
     author = {Carlo Mantegazza},
     title = {Some elementary questions in the calculus of variations},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {107--115},
     volume = {145},
     year = {2021},
     doi = {10.4171/rsmup/73},
     mrnumber = {4261648},
     zbl = {1467.49001},
     language = {en},
     url = {http://www.numdam.org/articles/10.4171/rsmup/73/}
}