@incollection{AST_1987__154-155__95_0,
     author = {O'Shea, Donal B.},
     title = {The {Bernstein-Osserman-Xavier} theorems},
     booktitle = {Th\'eorie des vari\'et\'es minimales et applications},
     series = {Ast\'erisque},
     pages = {95--113},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {154-155},
     year = {1987},
     mrnumber = {955061},
     zbl = {0635.53036},
     language = {en},
     url = {http://www.numdam.org/item/AST_1987__154-155__95_0/}
}