@incollection{AST_1978__52-53__3_0,
     author = {Az\'ema, J. and Yor, Marc},
     title = {En guise d'introduction},
     booktitle = {Temps locaux},
     series = {Ast\'erisque},
     pages = {3--16},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {52-53},
     year = {1978},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1978__52-53__3_0/}
}