ABSTRACTS OF DOCTORIAL DISSERTATIONS

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ABSTRACTS OF DOCTORIAL DISSERTATIONS; 张芷芬; 沈燮昌; In;
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Universal Unfolding of SaddleSingularity of Codimension 3 of aPlanar Vector Field With NilpotentLinear Part,Xiao Dongmei(肖冬梅),Peking University,Supervisor:ZhangZhifen(张芷芬),Approved:1991,7. In this paper the universal unfo-Iding is studied for a singular vectorfield whose 3-jet is c~∞ equivalent to
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页码:566 / 569
页数:4
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