On Monge–Kantorovich problem in the plane

Yinfang Shen; Weian Zheng

Comptes Rendus. Mathématique, Volume 348 (2010) p. 267-271

Sharp bounds for transition probability densities of a class of diffusions

Zhongmin Qian; Weian Zheng

Comptes Rendus. Mathématique, Volume 335 (2002) p. 953-957