@article{PMFA_1965_10_6_a1,
     author = {Espe, Werner},
     title = {Niektor\'e nov\'e zauj{\'\i}mavosti z v\'akuovej techniky},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {312--319},
     year = {1965},
     volume = {10},
     number = {6},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1965_10_6_a1/}
}