@article{10_1007_s10492_016_0129_7,
     author = {Zhang, Shougui and Li, Xiaolin},
     title = {Boundary augmented {Lagrangian} method for the {Signorini} problem},
     journal = {Applications of Mathematics},
     pages = {215--231},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2016},
     doi = {10.1007/s10492-016-0129-7},
     mrnumber = {3470774},
     zbl = {06562154},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-016-0129-7/}
}