TY  - JOUR
T1  - An Extract of a Letter of Mr. James Gregory to the Publisher, Containing Some Considerations of His, upon M. Hugens His Letter, Printed in Vindication of His Examen of the Book, Entitled Vera Circuli & Hyperbola Quadratura
JF  - Philosophical Transactions (1665-1678)
VL  - 3
SP  - 882
EP  - 886
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1668.0069
M3  - doi:10.1098/rstl.1668.0069
AU  - Gregory, J.
ER  -