证明了具有奇线的Hamilton系统=xy(2+2x-3y),=-y2(1+2x-y)的Abel积分在n次多项式扰动下零点的个数不超过7n4+8(计重数).%It is proved that the number of zeros of Abelian integral for Hamiltonian system=xy(2+2x-3y),=-y2(1+2x-y)with singular line under perturbations of polynomials with degree n is no more than 7n4+8(taking into account the multiplicity).
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