Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MOMA_1963__67_177222, author = {Marston Morse}, title = {Harmonic {Extensions.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {317--325}, publisher = {mathdoc}, volume = {67}, year = {1963}, zbl = {0151.16004}, url = {http://geodesic.mathdoc.fr/item/MOMA_1963__67_177222/} }
Marston Morse. Harmonic Extensions.. Monatshefte für Mathematik, Tome 67 (1963), pp. 317-325. http://geodesic.mathdoc.fr/item/MOMA_1963__67_177222/