@article{10_2298_FIL2105661C, author = {Nicol\`o Cangiotti and Mattia Sensi}, title = {A geometric characterization of {VES} and {Kadiyala-type} production functions}, journal = {Filomat}, pages = {1661 }, year = {2021}, volume = {35}, number = {5}, doi = {10.2298/FIL2105661C}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2105661C/} }