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Cybernetics and Systems Analysis > 2017 > 53 > 1 > 138-156
Cybernetics and Systems Analysis > 2016 > 52 > 6 > 967-988
Mathematical Methods in the Applied Sciences > 39 > 16 > 4856 - 4865
Discrete Applied Mathematics > 2008 > 156 > 12 > 2420-2422
Discussiones Mathematicae Graph Theory > 2000 > 20 > 1 > 23-38