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Commentationes Mathematicae > 2018 > 58 > 1-2
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2011 > 31 > 2 > 199-229
Commentationes Mathematicae > 2018 > 58 > 1-2
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2011 > 31 > 2 > 199-229