A variant of Poincaré's inequality

Augusto C. Ponce

Comptes Rendus. Mathématique, Volume 337 (2003) p. 253-257

On the distributions of the form ∑_i(δ_pi−δ_ni)

Augusto C. Ponce

Comptes Rendus. Mathématique, Volume 336 (2003) p. 571-576