DOIAbstract
in this note the method introduced by Kokubu, Oka. and Wang is improved and the unsolved problem in a paper of Baider and Sanders for the unique normal form of Bogdanov-Takens singularities is solved under a very general condition. (C) 2000 Academic Press.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000086815000011&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701MathematicsSCI(E)37ARTICLE1223-23816
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