M. Anderson, Complete minimal varieties in hyperbolic space, Inventiones Mathematicae, vol.110, issue.3, pp.477-494, 1982.
DOI : 10.1007/BF01389365

D. Gilbarg and N. Trudinger, Elliptic Partial Differential Equations of Second Order, Classics in Mathematics, 2001.

D. Serre, Multidimensional Shock Interaction for a Chaplygin Gas, Archive for Rational Mechanics and Analysis, vol.21, issue.3, pp.539-577, 2009.
DOI : 10.1007/s00205-008-0110-z