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@article{IM_1988__91_3_143542, author = {N.I. Shepherd-Barron and J. Koll\'ar}, title = {Threefolds and deformations of surface singularities.}, journal = {Inventiones mathematicae}, pages = {299--338}, publisher = {mathdoc}, volume = {91}, number = {3}, year = {1988}, zbl = {0642.14008}, url = {http://geodesic.mathdoc.fr/item/IM_1988__91_3_143542/} }
N.I. Shepherd-Barron; J. Kollár. Threefolds and deformations of surface singularities.. Inventiones mathematicae, Tome 91 (1988) no. 3, pp. 299-338. http://geodesic.mathdoc.fr/item/IM_1988__91_3_143542/