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Nonlinear Analysis > 2011 > 74 > 8 > 2765-2777
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2011 > 31 > 2 > 199-229
Nonlinear Analysis > 2010 > 73 > 6 > 1715-1728
Nonlinear Analysis > 2011 > 74 > 8 > 2765-2777
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2011 > 31 > 2 > 199-229
Nonlinear Analysis > 2010 > 73 > 6 > 1715-1728