@article{10_1007_s10492_010_0022_8,
     author = {Sun, Li and Fang, Liang and He, Guoping},
     title = {An active set strategy based on the multiplier function or the gradient},
     journal = {Applications of Mathematics},
     pages = {291--304},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {2010},
     doi = {10.1007/s10492-010-0022-8},
     mrnumber = {2737938},
     zbl = {1224.90176},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-010-0022-8/}
}