TY - JOUR A1 - Gompertz, Benjamin T1 - On the nature of the function expressive of the law of human mortality, and on a new mode of determining the value of life contingencies : in a letter to Francis Baily, Esq. F. R. S. &c. T2 - Philosophical transactions of the Royal Society of London Y1 - 2009 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/11331 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30-1121642 N1 - Signatur: Ak 26/2 ; ISSN : 0370-2316 VL - 115 SP - 513 EP - 585 ER -