Hefez, A.Kakuta, N.2014-05-202014-05-201996-04-15Journal of Algebra. San Diego: Academic Press Inc. Jnl-comp Subscriptions, v. 181, n. 2, p. 449-477, 1996.0021-8693http://hdl.handle.net/11449/32426449-477engPolar curvesArtigo10.1006/jabr.1996.0129WOS:A1996UG08100008Acesso abertoWOSA1996UG08100008.pdf