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@article{RCM_1991__25_1-4_181851, author = {Diego Mejia and David Minda}, title = {Hyperbolic geometry in hyperbolically k-convex regions}, journal = {Revista colombiana de matematicas}, pages = {123--142}, publisher = {mathdoc}, volume = {25}, number = {1-4}, year = {1991}, zbl = {0784.53006}, url = {http://geodesic.mathdoc.fr/item/RCM_1991__25_1-4_181851/} }
Diego Mejia; David Minda. Hyperbolic geometry in hyperbolically k-convex regions. Revista colombiana de matematicas, Tome 25 (1991) no. 1-4, pp. 123-142. http://geodesic.mathdoc.fr/item/RCM_1991__25_1-4_181851/