@article{10_21136_CPMF_1950_120783,
     author = {Arnulf, Albert},
     title = {Oko a optick\'e p\v{r}{\'\i}stroje. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {D178},
     publisher = {mathdoc},
     volume = {75},
     number = {2},
     year = {1950},
     doi = {10.21136/CPMF.1950.120783},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1950.120783/}
}