Andrzej Schinzel
Institute of Mathematics
Warsaw
Mathematics
and Interactions
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One video
![The congruence $f(x) + g(y) + c = 0$ $(mod$ $xy)$]()
30:26published on September 23, 2014The congruence $f(x) + g(y) + c = 0$ $(mod$ $xy)$
By Andrzej Schinzel
