TY - BOOK AU - Thorpe, John A. TI - Elementary topics in differential geometry SN - 9788181281449 U1 - 516.36 PY - 1979/// CY - New York PB - Springer-Verlag KW - Geometry, Differential UR - http://www.loc.gov/catdir/enhancements/fy0818/78023308-d.html ER -