@article{AV_1933_4_1_a2,
     author = {Zwinggi, Ernst},
     title = {Ein {Beitrag} zur {Deckungskapitalberechnung}},
     journal = {Aktu\'arsk\'e v\v{e}dy},
     pages = {1--10},
     year = {1933},
     volume = {4},
     number = {1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AV_1933_4_1_a2/}
}