TY - JOUR T1 - A Sketch of an Analysis and Notation Applicable to the Estimation of the Value of Life Contigencies JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 110 SP - 214 EP - 294 PY - 1820/01/01/ UR - http://dx.doi.org/10.1098/rstl.1820.0018 M3 - doi:10.1098/rstl.1820.0018 AU - Gompertz, B. ER -