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@article{RIUMI_2010_1_3_1_a2, author = {Barbieri, Davide}, title = {Approssimazioni di norme di {Sobolev} in {Gruppi} di {Carnot}}, journal = {La Matematica nella societ\`a e nella cultura}, pages = {15--18}, publisher = {mathdoc}, volume = {Ser. 1, 3}, number = {1}, year = {2010}, zbl = {1128.43001}, mrnumber = {2363343}, language = {it}, url = {http://geodesic.mathdoc.fr/item/RIUMI_2010_1_3_1_a2/} }
Barbieri, Davide. Approssimazioni di norme di Sobolev in Gruppi di Carnot. La Matematica nella società e nella cultura, Série 1, Tome 3 (2010) no. 1, pp. 15-18. http://geodesic.mathdoc.fr/item/RIUMI_2010_1_3_1_a2/
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