@article{AV_1948__8_2_a4,
     author = {Janko, Jaroslav},
     title = {Difference equation of the policy reserve},
     journal = {Aktu\'arsk\'e v\v{e}dy},
     pages = {68--75},
     publisher = {mathdoc},
     volume = {08},
     number = {2},
     year = {1948},
     mrnumber = {0032230},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AV_1948__8_2_a4/}
}