@article{PMFA_1972_17_5_a1,
     author = {P\'olya, George},
     title = {Matematikov\'e, kter\'e jsem znal},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {237--244},
     year = {1972},
     volume = {17},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1972_17_5_a1/}
}