TY - JOUR T1 - An Account of a Controversy Betwixt Stephano de Angelis, Professor of the Mathematicks in Padua, and Joh. Baptista Riccioli Jesuite as It Was Communicated Out of Their Lately Printed Books, by That Learned Mathematician Mr. Jacob Gregory, a Fellow of the R. Society JF - Philosophical Transactions (1665-1678) VL - 3 SP - 693 EP - 698 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1668.0019 M3 - doi:10.1098/rstl.1668.0019 AU - Gregory, J. ER -