00603cam 2200229 450 1718073http://id.bnportugal.gov.pt/bib/porbase/171807320030626073300.00-387-90465-429251PTBN0094355019801210d1980 k y0pory0103 baengUSRieman surfacesNew YorkSpringer1980X, 337 pGraduate texts in mathematics71517.545medeng1381461FarkasH. M.1389630KraIrvan070358927PTBNRPC30F/FARcoopUCMAefalt221515bccoopUCMA122290CMA18-781