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@article{MZ_1995__219_2_174759, author = {Barbara Opozda}, title = {A class of projectively flat surfaces.}, journal = {Mathematische Zeitschrift}, pages = {77--92}, publisher = {mathdoc}, volume = {219}, number = {2}, year = {1995}, zbl = {0823.53012}, url = {http://geodesic.mathdoc.fr/item/MZ_1995__219_2_174759/} }
Barbara Opozda. A class of projectively flat surfaces.. Mathematische Zeitschrift, Tome 219 (1995) no. 2, pp. 77-92. http://geodesic.mathdoc.fr/item/MZ_1995__219_2_174759/