@article{MAN_1991__291_1_164873,
     author = {Gui-Song Li},
     title = {On immersions in bordism classes.},
     journal = {Mathematische Annalen},
     pages = {373--382},
     year = {1991},
     volume = {291},
     number = {1},
     zbl = {0724.57023},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__291_1_164873/}
}