TY - JOUR T1 - Direct and Expeditious Methods of Calculating the Excentric from the Mean Anomaly of a Planet JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 2 SP - 37 EP - 38 PY - 1815/01/01/ UR - http://dx.doi.org/10.1098/rspl.1815.0030 M3 - doi:10.1098/rspl.1815.0030 AU - Robertson, A. ER -