@article{10_21136_CPM_1964_117521,
     author = {Marek, Ivo},
     title = {O existenci a p\v{r}ibli\v{z}n\'em sestrojov\'an{\'\i} charakteristick\'ych hodnot cyklick\'ych soustav oper\'atorov\'ych rovnic},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {449--465},
     publisher = {mathdoc},
     volume = {089},
     number = {4},
     year = {1964},
     doi = {10.21136/CPM.1964.117521},
     mrnumber = {0180866},
     zbl = {0178.50402},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1964.117521/}
}