00000nam a2200000 a 4500 20251203091939.0 9971830035 516.36, D, buc Buchin, Su Lectures on differential geometry Singapore World Scientific 1982 149p. 23 cm. Differential geometry Chang, K.C. eng _ 86126 LIBSC C 58455 58455 0 0 0 0 PU PU 1998-04-09 0 516.36, D, buc 86126 BK