@article{PMFA_1958_3_2_a7,
     author = {Kleczek, J.},
     title = {Slune\v{c}n{\'\i} protuberance},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {181--191},
     year = {1958},
     volume = {3},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1958_3_2_a7/}
}