@article{PMFA_1976_21_5_a8,
     author = {Kvasnica, Jozef},
     title = {Ludwig {Boltzmann} {(K} 70. v\'yro\v{c}{\'\i} \'umrt{\'\i})},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {291--292},
     year = {1976},
     volume = {21},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1976_21_5_a8/}
}