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@article{MM2_1992__77_2-3_155783, author = {B. Burgeth}, title = {A {Schwarz} {Lemma} for harmonic and hyperbolic-harmonic functions in higher dimensions.}, journal = {Manuscripta mathematica}, pages = {283--292}, publisher = {mathdoc}, volume = {77}, number = {2-3}, year = {1992}, zbl = {0777.31003}, url = {http://geodesic.mathdoc.fr/item/MM2_1992__77_2-3_155783/} }
B. Burgeth. A Schwarz Lemma for harmonic and hyperbolic-harmonic functions in higher dimensions.. Manuscripta mathematica, Tome 77 (1992) no. 2-3, pp. 283-292. http://geodesic.mathdoc.fr/item/MM2_1992__77_2-3_155783/