@article{MAN_1992__293_4_164973,
     author = {Heayong Shin},
     title = {Degree 1 singularities of energy minimizing maps to a bumpy sphere.},
     journal = {Mathematische Annalen},
     pages = {509--522},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1992},
     zbl = {0735.58014},
     url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164973/}
}