TY  - JOUR
T1  - A Simple Method of Finding the Approximate Period of Stable Systems
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 88
IS  - 604
SP  - 333
EP  - 335
PY  - 1913/06/02/
UR  - http://dx.doi.org/10.1098/rspa.1913.0033
M3  - doi:10.1098/rspa.1913.0033
AU  - Mallock, A.
ER  -