Franchi, Bruno; Serapioni, Raul; Cassano, Francesco Serra: Rectifiability and perimeter in step 2 groups.
(English).
In:
Krbec, M.
and Kuben, J. (eds.): Proceedings of Equadiff 10, Czechoslovak International Conference on Differential Equations and Their Applications, Prague, August 27-31, 2001.
[Part 1] Invited Lectures.
Masaryk University, Brno, 2002.
pp. 91-100
