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Annales Mathematicae Silesianae > 2015 > 29 > 1 > 119-129
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2007 > 27 > 2 > 349-363
Annales Mathematicae Silesianae > 2015 > 29 > 1 > 119-129
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2007 > 27 > 2 > 349-363