TY - BOOK AU - Schwartz, Jacob T AU - TI - Differential geometry and Topology U1 - 514.7+515.1 PY - 1968/// CY - New York PB - Gordon and Breach KW - Mathematics KW - Number theory KW - Set theory KW - Group theory KW - Trigonometry KW - plane geometry KW - differential geometry & topology N1 - Notes on mathematics and its applications ER -