@article{MR_1987_32_a9,
     author = {Owe Axelsson and  Ivar Gustafsson},
     title = {An efficient finite element method for nonlinear diffusion problems},
     journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}},
     pages = {45--61},
     year = {1987},
     volume = {32},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1987_32_a9/}
}