![](/img/cover-not-exists.png)
Smooth approximation for intrinsic Lipschitz functions in the Heisenberg group
Giovanna Citti, Maria Manfredini…Volume:
49
Language:
english
DOI:
10.1007/s00526-013-0622-8
Date:
March, 2014
File:
PDF, 412 KB
english, 2014