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"Properties, isomorphisms and enumeration of 2-Quasi-Magic Sudoku grids."
Sian K. Jones, Stephanie Perkins, Paul A. Roach (2011)
- Sian K. Jones, Stephanie Perkins, Paul A. Roach:
Properties, isomorphisms and enumeration of 2-Quasi-Magic Sudoku grids. Discret. Math. 311(13): 1098-1110 (2011)
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