See J. Bruce Brackenridge, "The key to Newton's dynamics: the Kepler problem and the Principia", (University of California Press, 1995), especially at pages 20–21.
See especially p. 13 in Whiteside, D. T. (1970). "Before the Principia: The Maturing of Newton's Thoughts on Dynamical Astronomy, 1664–1684". Journal for the History of Astronomy. Quyển 1. tr. 5–19. Bibcode:1970JHA.....1....5W. doi:10.1177/002182867000100103.
See especially p. 13 in Whiteside, D. T. (1970). "Before the Principia: The Maturing of Newton's Thoughts on Dynamical Astronomy, 1664–1684". Journal for the History of Astronomy. Quyển 1. tr. 5–19. Bibcode:1970JHA.....1....5W. doi:10.1177/002182867000100103.
See especially pp. 13–20 in Whiteside, D. T. (1991). "The Prehistory of the 'Principia' from 1664 to 1686". Notes and Records of the Royal Society of London. Quyển 45 số 1. tr. 11–61. doi:10.1098/rsnr.1991.0002. JSTOR531520.
See especially p. 10 in Whiteside, D. T. (1970). "Before the Principia: The Maturing of Newton's Thoughts on Dynamical Astronomy, 1664–1684". Journal for the History of Astronomy. Quyển 1. tr. 5–19. Bibcode:1970JHA.....1....5W. doi:10.1177/002182867000100103.
See especially p. 13 in Whiteside, D. T. (1970). "Before the Principia: The Maturing of Newton's Thoughts on Dynamical Astronomy, 1664–1684". Journal for the History of Astronomy. Quyển 1. tr. 5–19. Bibcode:1970JHA.....1....5W. doi:10.1177/002182867000100103.
See especially p. 13 in Whiteside, D. T. (1970). "Before the Principia: The Maturing of Newton's Thoughts on Dynamical Astronomy, 1664–1684". Journal for the History of Astronomy. Quyển 1. tr. 5–19. Bibcode:1970JHA.....1....5W. doi:10.1177/002182867000100103.
See especially p. 10 in Whiteside, D. T. (1970). "Before the Principia: The Maturing of Newton's Thoughts on Dynamical Astronomy, 1664–1684". Journal for the History of Astronomy. Quyển 1. tr. 5–19. Bibcode:1970JHA.....1....5W. doi:10.1177/002182867000100103.
See especially pp. 13–20 in Whiteside, D. T. (1991). "The Prehistory of the 'Principia' from 1664 to 1686". Notes and Records of the Royal Society of London. Quyển 45 số 1. tr. 11–61. doi:10.1098/rsnr.1991.0002. JSTOR531520.