TY  - JOUR
T1  - An Extract of a Letter from the Excellent Ronatus Franciseus Slufius, Canon of Liege and Counsellor to His Electoral Highness of Collen, Written to the Publisher in Order to be Communicated to the R. Society; Concerning His Short and Easie Method of Drawing Tangents to All Geometrical Curves without Any Labour of Calculation: Here Inserted in the Same Language, in Which It Was Written
JF  - Philosophical Transactions (1665-1678)
VL  - 7
SP  - 5143
EP  - 5147
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1672.0061
M3  - doi:10.1098/rstl.1672.0061
AU  - Slufius, R.
ER  -