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Magic labelings of graphs, symmetric magic squares, systems of parameters, and Cohen-Macaulay rings. (English) Zbl 0335.05010

MSC:
05A15 Exact enumeration problems, generating functions
05C99 Graph theory
13C15 Dimension theory, depth, related commutative rings (catenary, etc.)
13H10 Special types (Cohen-Macaulay, Gorenstein, Buchsbaum, etc.)
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