A new differentiation, shape of the unit ball and perimeter measure
Valentino Magnani
Indiana University Mathematics Journal
2017
text
pdf
10.1512/iumj.2017.66.6007
10.1512/iumj.2017.66.6007
en
Indiana Univ. Math. J. 66 (2017) 183 - 204
state-of-the-art mathematics
http://iumj.org/access/