Acta Mathematica Sinica 1960 Issue 2 ju you er ci dai shu ji xian huan xian de fang cheng dy/dx =(sum from 0 i+j 3 (aijxiyi))/(sum from 0 i+j 3 (bijxiyi)

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Acta Mathematica Sinica
0583-1431
1960 Issue 2

ju you er ci dai shu ji xian huan xian de fang cheng dy/dx =(sum from 0 i+j 3 (a_ijxⁱyⁱ))/(sum from 0 i+j 3 (b_ijxⁱyⁱ)
Хуан Чи-юй;цэяомунскц )Фан Чу-пау;пеба о ц цнсмцмумm)Цень Синь-чэнь унцеерсцмем)

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