@incollection{JEDP_1996____A15_0,
     author = {Safarov, Yu.},
     title = {Functions of the {Laplace-Beltrami} operator},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {15},
     pages = {1--8},
     publisher = {Ecole polytechnique},
     year = {1996},
     mrnumber = {98c:58165},
     language = {en},
     url = {http://archive.numdam.org/item/JEDP_1996____A15_0/}
}