Search results
Studia Mathematica > 2000 > 140 > 1 > 41-55
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 1995 > 15 > 2 > 213-219
Studia Mathematica > 2000 > 140 > 1 > 41-55
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 1995 > 15 > 2 > 213-219