@article{MR_1979_16_a4,
     author = {D. J. Evans and  M. Hatzopoylos},
     title = {On the {Direct} {Solution} of {Preconditioned} {Linear} {Equations}},
     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 = {30--44},
     year = {1979},
     volume = {16},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1979_16_a4/}
}