@article{10_21136_MB_2003_134182,
     author = {Do\v{s}l\'a, Zuzana and \v{S}krab\'akov\'a, Denisa},
     title = {Phases of linear difference equations and symplectic systems},
     journal = {Mathematica Bohemica},
     pages = {293--308},
     publisher = {mathdoc},
     volume = {128},
     number = {3},
     year = {2003},
     doi = {10.21136/MB.2003.134182},
     mrnumber = {2012606},
     zbl = {1055.39026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2003.134182/}
}