Newton, Isaac, (Sir,) (1642-1727.)

The key to Newton's dynamics = the Kepler problem and the Principia : containing an English translation of sections 1, 2, and 3 of book one from the first (1687) edition of Newton's Mathematical principles of natural philosophy / by: Brackenridge, J. Bruce, (1927-); Newton, Isaac, (Sir,) (1642-1727.); NetLibrary, Inc. (Electronic resources)