@article{PMFA_1976_21_6_a3,
     author = {Rie\v{c}an, Beloslav},
     title = {Ergodick\'e prel\'udium},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {324--335},
     year = {1976},
     volume = {21},
     number = {6},
     mrnumber = {0486423},
     zbl = {0347.28013},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1976_21_6_a3/}
}