@article{CRMATH_2012__350_5-6_325_0,
     author = {Renard, Yves},
     title = {A quasi-optimal a priori error estimate for the two-dimensional {Signorini} problem approximated by linear finite elements},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {325--328},
     publisher = {Elsevier},
     volume = {350},
     number = {5-6},
     year = {2012},
     doi = {10.1016/j.crma.2012.01.024},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2012.01.024/}
}