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@article{MM2_1985__53_155094, author = {Friedrich Sauvigny}, title = {On the {Morse} {Index} of {Minmal} {Surfaces} in {IRp} with {Polygonal} {Boundaries.}}, journal = {Manuscripta mathematica}, pages = {167--198}, publisher = {mathdoc}, volume = {53}, year = {1985}, zbl = {0607.53004}, url = {http://geodesic.mathdoc.fr/item/MM2_1985__53_155094/} }
Friedrich Sauvigny. On the Morse Index of Minmal Surfaces in IRp with Polygonal Boundaries.. Manuscripta mathematica, Tome 53 (1985), pp. 167-198. http://geodesic.mathdoc.fr/item/MM2_1985__53_155094/