@misc{AV_1948__8_4_a4,
     title = {Joint {Third} {Congress} of {Czechoslovak} {Mathematicians} and {Seventh} {Congress} of {Polish} {Mathematicians}},
     journal = {Aktu\'arsk\'e v\v{e}dy},
     pages = {152--162},
     publisher = {mathdoc},
     volume = {08},
     number = {4},
     year = {1948},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AV_1948__8_4_a4/}
}