TY - JOUR T1 - On Certain Properties of Square Numbers and Other Quadratic Forms, with a Table of Odd Numbers from 1 to 191, Divided into 4, 3 or 2 Square Numbers, the Algebraic Sum of Whose Roots (Positive or Negative) May Equal 1, by means of Which Table All the Odd Numbers up to 9503 May be Resolved into not Exceeding 4 Square Numbers JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 144 SP - 311 EP - 319 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rstl.1854.0015 M3 - doi:10.1098/rstl.1854.0015 AU - Pollock, F. ER -