@article{NUMA_1992__61_3_133611,
     author = {Josef Stoer and Bingsheng He},
     title = {Solution of projection problems over polytopes.},
     journal = {Numerische Mathematik},
     pages = {73--90},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {1992},
     zbl = {0758.65046},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1992__61_3_133611/}
}