TY - JOUR T1 - On the Determination of Unknown Functions Which Are Involved under Definite Integrals JF - Proceedings of the Royal Society of London (1854-1905) VL - 8 SP - 146 EP - 149 PY - 1856/01/01/ UR - http://dx.doi.org/10.1098/rspl.1856.0041 M3 - doi:10.1098/rspl.1856.0041 AU - de Souza, J. ER -