@article{SPS_1979__13__490_0,
     author = {Williams, David},
     title = {Conditional excursion theory},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {490--494},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {13},
     year = {1979},
     mrnumber = {544819},
     zbl = {0422.60058},
     language = {en},
     url = {http://www.numdam.org/item/SPS_1979__13__490_0/}
}