@article{SPS_1991__25__374_0,
     author = {Albeverio, Sergio and Ma, Zhi-Ming},
     title = {Necessary and sufficient conditions for the existence of $m$-perfect processes associated with {Dirichlet} forms},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {374--406},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {25},
     year = {1991},
     mrnumber = {1187795},
     zbl = {0752.60062},
     language = {en},
     url = {http://www.numdam.org/item/SPS_1991__25__374_0/}
}