@article{10_21136_CPM_1985_108587,
     author = {Do\v{s}l\'y, Ond\v{r}ej},
     title = {Phase matrix of linear differential systems},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {183--192},
     publisher = {mathdoc},
     volume = {110},
     number = {2},
     year = {1985},
     doi = {10.21136/CPM.1985.108587},
     mrnumber = {796568},
     zbl = {0576.34032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1985.108587/}
}