Necessary and sufficient conditions for the existence of m -perfect processes associated with Dirichlet forms Sergio Albeverio; Zhi-Ming Ma — 1991 Séminaire de probabilités de Strasbourg
A Note on Quasicontinuous Kernels Representing Quasi-Linear Positive Maps. Sergio Albeverio; Zhi-Ming Ma — 1991 Forum mathematicum
Approximation of arbitrary Dirichlet processes by Markov chains Zhi-Ming Ma; Michael Röckner; Tu-Sheng Zhang — 1998 Annales de l'I.H.P. Probabilités et statistiques