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@article{MZ_1994__215_1_174595, author = {Raimund Blache}, title = {Positivity results for {Euler} characteristics of singular surfaces.}, journal = {Mathematische Zeitschrift}, pages = {1--12}, publisher = {mathdoc}, volume = {215}, number = {1}, year = {1994}, zbl = {0798.14021}, url = {http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174595/} }
Raimund Blache. Positivity results for Euler characteristics of singular surfaces.. Mathematische Zeitschrift, Tome 215 (1994) no. 1, pp. 1-12. http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174595/