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@article{MAN_1989__284_4_164575, author = {Mark J. Nielsen}, title = {Singular points of a convex tiling.}, journal = {Mathematische Annalen}, pages = {601--616}, publisher = {mathdoc}, volume = {284}, number = {4}, year = {1989}, zbl = {0662.52008}, url = {http://geodesic.mathdoc.fr/item/MAN_1989__284_4_164575/} }
Mark J. Nielsen. Singular points of a convex tiling.. Mathematische Annalen, Tome 284 (1989) no. 4, pp. 601-616. http://geodesic.mathdoc.fr/item/MAN_1989__284_4_164575/