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@article{IM_1989__98_1_143731, author = {F. Catanese}, title = {Everywhere non reduced moduli spaces.}, journal = {Inventiones mathematicae}, pages = {293--310}, publisher = {mathdoc}, volume = {98}, number = {1}, year = {1989}, zbl = {0701.14039}, url = {http://geodesic.mathdoc.fr/item/IM_1989__98_1_143731/} }
F. Catanese. Everywhere non reduced moduli spaces.. Inventiones mathematicae, Tome 98 (1989) no. 1, pp. 293-310. http://geodesic.mathdoc.fr/item/IM_1989__98_1_143731/