@article{MM2_1993__78_4_155819,
     author = {Fabrice Bethuel},
     title = {On the singular set of stationary harmonic maps.},
     journal = {Manuscripta mathematica},
     pages = {417--443},
     publisher = {mathdoc},
     volume = {78},
     number = {4},
     year = {1993},
     zbl = {0792.53039},
     url = {http://geodesic.mathdoc.fr/item/MM2_1993__78_4_155819/}
}