@incollection{JEDP_1985___1_A8_0,
     author = {Wang, Xue Ping},
     title = {L'op\'erateur de temps-retard dans la th\'eorie de la diffusion},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {8},
     pages = {1--9},
     publisher = {Ecole polytechnique},
     number = {1},
     year = {1985},
     zbl = {0627.47004},
     language = {fr},
     url = {http://www.numdam.org/item/JEDP_1985___1_A8_0/}
}