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OnthePellequationsx2-8y2=1, y2-Dz2=1(1)whereD>0isasquare-freeinteger.CaoZhenfu[1]showedthatifD=∏si=1Pi≡1(mod4)orD=2∏Pi,1≤s≤4,thentheequation(1)hasnolypositiveintegersolutionz=6(D=2·17).ChengJianhua[2]showedthatisD=∏si=1Pi 1≤s≤2,thentheequation(1)haso… 相似文献
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