@article{10_21136_CPM_1975_117877,
     author = {Barto\v{s}, Pavel},
     title = {K po\v{c}tu rie\v{s}en{\'\i} optickej rovnice. {II}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {273--275},
     publisher = {mathdoc},
     volume = {100},
     number = {3},
     year = {1975},
     doi = {10.21136/CPM.1975.117877},
     mrnumber = {0382158},
     zbl = {0303.10018},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1975.117877/}
}