2017-09-182017-09-182014GARCIA, R.; SOTOMAYOR, J.; SPINDOLA, F. Axiumbilic singular points on surfaces immersed in r4 and their generic bifurcations. Journal of Singularities, Massachusetts, v. 10, p. 124-146, 2014.http://repositorio.bc.ufg.br/handle/ri/12485engAcesso AbertoAxiumbilic singular points on surfaces immersed in r4 and their generic bifurcationsArtigo10.5427/jsing.2014.10h