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@article{JRAM_1995__459_153693, author = {Alexander Schmitt}, title = {Deformations of ruled mainfolds.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {213--218}, publisher = {mathdoc}, volume = {459}, year = {1995}, zbl = {0809.14028}, url = {http://geodesic.mathdoc.fr/item/JRAM_1995__459_153693/} }
Alexander Schmitt. Deformations of ruled mainfolds.. Journal für die reine und angewandte Mathematik, Tome 459 (1995), pp. 213-218. http://geodesic.mathdoc.fr/item/JRAM_1995__459_153693/