@article{1029002002, author = {Golbus, Bruce F.}, title = {Singularity obstructions to immersions.}, journal = {Michigan Math. J.}, volume = {25}, number = {1}, year = {1978}, pages = { 9-17}, language = {en}, url = {http://dml.mathdoc.fr/item/1029002002} }
Golbus, Bruce F. Singularity obstructions to immersions.. Michigan Math. J., Tome 25 (1978) no. 1, pp. 9-17. http://gdmltest.u-ga.fr/item/1029002002/