TY - JOUR T1 - Problem on the Divisibility of Numbers JF - Proceedings of the Royal Society of London (1854-1905) VL - 10 SP - 208 EP - 214 PY - 1859/01/01/ UR - http://dx.doi.org/10.1098/rspl.1859.0045 M3 - doi:10.1098/rspl.1859.0045 AU - Elefanti, F. ER -