@article{RSMUP_2020__144__271_0,
     author = {Burkhard Wald},
     title = {Linear forms in a playful universe},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {271--279},
     volume = {144},
     year = {2020},
     doi = {10.4171/rsmup/69},
     mrnumber = {4186459},
     zbl = {1486.03092},
     language = {en},
     url = {http://www.numdam.org/articles/10.4171/rsmup/69/}
}