TY - JOUR T1 - Memoir on the Theta-Functions, Particularly Those of Two Variables JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 173 SP - 783 EP - 862 PY - 1882/01/01/ UR - http://dx.doi.org/10.1098/rstl.1882.0018 M3 - doi:10.1098/rstl.1882.0018 AU - Forsyth, A. ER -