@incollection{AST_1992__210__13_0,
     author = {Agmon, Shmuel},
     title = {A representation theorem for solutions of {Schr\"odinger} type equations on non-compact {Riemannian} manifolds},
     booktitle = {M\'ethodes semi-classiques Volume 2 - Colloque international (Nantes, juin 1991)},
     series = {Ast\'erisque},
     pages = {13--26},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {210},
     year = {1992},
     zbl = {0791.58104},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1992__210__13_0/}
}