A new concept of reduced measure for nonlinear elliptic equations

Haïm Brezis; Moshe Marcus; Augusto C. Ponce

Comptes Rendus. Mathématique, Volume 339 (2004) p. 169-174

Kato's inequality when Δu is a measure

Haı̈m Brezis; Augusto C. Ponce

Comptes Rendus. Mathématique, Volume 338 (2004) p. 599-604