@article{M2AN_2012__46_3_559_0,
     author = {Kreiss, Heinz-Otto and Ortiz, Omar E. and Anders Petersson, N.},
     title = {Initial-boundary value problems for second order systems of partial differential equations},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {559--593},
     publisher = {EDP-Sciences},
     volume = {46},
     number = {3},
     year = {2012},
     doi = {10.1051/m2an/2011060},
     mrnumber = {2877365},
     zbl = {1276.35115},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2011060/}
}