Non-integer lattice tilings by (k, n) truncated crosses.
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S. Szabó (1983)
Aequationes mathematicae
Maciej Zakarczemny (2016)
Colloquium Mathematicae
For every finite Abelian group Γ and for all , if there exists a solution of the equation in non-negative integers , where are positive integers, then the number of such solutions is estimated from below in the best possible way.
Maciej Zakarczemny (2012)
Acta Arithmetica
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