Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1982__38_132747, author = {D.M. Fage}, title = {The {Indicatrix} {Method} in {Free} {Boundary} {Problems.}}, journal = {Numerische Mathematik}, pages = {39--52}, publisher = {mathdoc}, volume = {38}, year = {1982}, zbl = {0452.65068}, url = {http://geodesic.mathdoc.fr/item/NUMA_1982__38_132747/} }
D.M. Fage. The Indicatrix Method in Free Boundary Problems.. Numerische Mathematik, Tome 38 (1982), pp. 39-52. http://geodesic.mathdoc.fr/item/NUMA_1982__38_132747/