TY  - JOUR
T1  - A Disquisition concerning Certain Fluents, Which are Assignable by the Arcs of the Conic Sections; Wherein are Investigatea Some New and Useful Theorems for Computing Such Fluents: By John Landen, F. R. S.
JF  - Philosophical Transactions (1683-1775)
VL  - 61
SP  - 298
EP  - 309
PY  - 1771/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1771.0037
M3  - doi:10.1098/rstl.1771.0037
AU  - Landen, J.
ER  -