00724cam 22002411 450 1781623http://id.bnportugal.gov.pt/bib/porbase/178162320030728175400.00-07-010855-287602PTBN0090120319890928d1976 k y0pory0103 baengUSComplex variables and applicationsRuel V. Churchill, James W. Brown, Roger F. Verhey3rd edNew YorkMcGraw-Hillcop. 1976X, 332 p.il.24 cm517.53medfre331612ChurchillRuel V.253113BrownJames Ward070331614VerheyRoger F.0701427782PTBNRPCBGUM 517.53coopUMSDmq1096617bccoopUMSD3356-BCT0MSD28-1314