@article{AUPO_1964_5_1_a5, author = {Pe\v{r}ina, Jan}, title = {N\v{e}kter\'e metody teorie pole v teorii optick\'eho zobrazen{\'\i}}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, pages = {87--93}, year = {1964}, volume = {5}, number = {1}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/AUPO_1964_5_1_a5/} }