@article{MAN_1993__297_3_165125,
     author = {Shicheng Wang},
     title = {The ...-injectivity of self-maps of nonzero degree on 3-manifolds.},
     journal = {Mathematische Annalen},
     pages = {171--190},
     publisher = {mathdoc},
     volume = {297},
     number = {3},
     year = {1993},
     zbl = {0793.57008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165125/}
}