00000nam a2200000 a 4500 20251203110510.0 516.36 CHE Chern,S.S. Lectures on differential Geometry Singapore World Scientific 1999 x,356p. 22cm. PB Geometry,differential Chen,W.H lam,K.S _ 109424 LIBSC C 92218 92218 0 0 0 0 PU PU 2004-08-19 0 516.36 CHE 109424 BK