TY - BOOK AU - AU - Hsiung, C.C., Ed. TI - Surveys in differential geometry (Vol.1,6&7 ) SN - 0821801686(v.1)9781571461773(v.6)1571460691(v.7) U1 - 516.36 PY - 1991/// CY - Providence PB - Lehigh University KW - Geometry, Differential ER -