@article{SPS_1997__31__40_0,
     author = {Mazet, Olivier},
     title = {Classification des semi-groupes de diffusion sur $\mathbb {R}$ associ\'es \`a une famille de polyn\^omes orthogonaux},
     journal = {S\'eminaire de probabilit\'es},
     pages = {40--53},
     year = {1997},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {31},
     mrnumber = {1478714},
     zbl = {0883.60072},
     language = {en},
     url = {https://www.numdam.org/item/SPS_1997__31__40_0/}
}