方程dy/dx=(q_(00)+q_(10)x+q_(01)y+q_(20)x~2+q_(11)xy+q_(02)y~2)/(p_(00)+p_(10)x+p_(01)y+p_(20)x~2+p_(11)xy+p_(02)y~2)所定义的积分曲线的定性研究(Ⅰ)
叶彥謙;何崇佑;王明淑;胥鳴偉;罗定军
数学学报 ›› 1962, Vol. 12 ›› Issue (1) : 1-16.
方程dy/dx=(q_(00)+q_(10)x+q_(01)y+q_(20)x~2+q_(11)xy+q_(02)y~2)/(p_(00)+p_(10)x+p_(01)y+p_(20)x~2+p_(11)xy+p_(02)y~2)所定义的积分曲线的定性研究(Ⅰ)
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