@article{PMFA_1958_3_4_a8,
     author = {Van\'ysek, Vladim{\'\i}r},
     title = {Spektr\'aln{\'\i} klasifikace hv\v{e}zd},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {442--447},
     year = {1958},
     volume = {3},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1958_3_4_a8/}
}