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Open Mathematics > 2016 > 14 > 1 > 1074-1086
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2013 > 33 > 2 > 149-170
Open Mathematics > 2016 > 14 > 1 > 1074-1086
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2013 > 33 > 2 > 149-170