@article{PMFA_1957_2_1_a15,
     author = {Fesenkov, V. G.},
     title = {K ot\'azce existence \v{z}ivota na {Marsu}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {112--116},
     year = {1957},
     volume = {2},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1957_2_1_a15/}
}