@article{702820,
     title = {Scalable algorithms for contact problems with geometrical and material non-linearities},
     booktitle = {Programs and Algorithms of Numerical Mathematics},
     series = {GDML\_Books},
     publisher = {Institute of Mathematics AS CR},
     address = {Prague},
     year = {2006},
     pages = {67-73},
     url = {http://dml.mathdoc.fr/item/702820}
}

Dobiáš, Jiří; Pták, Svatopluk; Dostál, Zdeněk; Vondrák, Vít. Scalable algorithms for contact problems with geometrical and material non-linearities, dans Programs and Algorithms of Numerical Mathematics, GDML_Books,  (2006), pp. 67-73. http://gdmltest.u-ga.fr/item/702820/