On the direct product of choice function.
2019 ◽
Vol 10
(7)
◽
pp. 1476-1481
2019 ◽
Vol 9
(1)
◽
pp. p8592
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2019 ◽
Vol 19
(02)
◽
pp. 2050036
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2020 ◽
Vol 0
(0)
◽