TY - JOUR T1 - Memoir on the Theta-Functions, Particularly Those of Two Variables. JF - Proceedings of the Royal Society of London (1854-1905) VL - 33 SP - 206 EP - 210 PY - 1881/01/01/ UR - http://dx.doi.org/10.1098/rspl.1881.0094 M3 - doi:10.1098/rspl.1881.0094 AU - Forsyth, A. ER -