@article{MZ_1992__211_3_174432, author = {Fernando Serrano}, title = {Deformations of multiple fibres.}, journal = {Mathematische Zeitschrift}, pages = {87--92}, publisher = {mathdoc}, volume = {211}, number = {3}, year = {1992}, zbl = {0759.32014}, url = {http://geodesic.mathdoc.fr/item/MZ_1992__211_3_174432/} }