TY - GEN AU - Hsiung, C.C. AU - Yau, S.T. TI - Surveys in differential geometry: proceedings of the conference on geometry and topology held at Harvard University april 27-29, 1990 sponsered by Lehigh University SN - 0821801686(pb) U1 - 516.36 HSI-YAU PY - 1991/// CY - U.S.A PB - Lehigh University KW - Geometry KW - Topology ER -