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HOPF BIFURCATION OF A NEURAL NETWORK MODEL WITH TIME DELAY
duan wenying wei junjie shen qihongdepartment of mathematics; northeast forestry university; harbin 150040; china.e-mail: wenying@0451.com department of mathematics; harbin techology university; harbin 150001; china.e-mail: weijj@hit.edu.cndepartment of mathematics; northeast normal university; changchun 130024; china.
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