On primitive solutions of quadratic Diophantine equation with four variables
2013 ◽
Vol 133
(7)
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pp. 2431-2454
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1991 ◽
Vol 123
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pp. 141-151
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2016 ◽
Vol 5
(4)
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pp. 1750-1753
2020 ◽
Vol 1
(1)
◽
pp. 14-22
2019 ◽
Vol 65
(7)
◽
pp. 286-295