Wyniki wyszukiwania
Arab Journal of Mathematical Sciences > 2012 > 18 > 2 > 121-134
Opuscula Mathematica > 2012 > Vol. 32, no. 2 > 205-226
Discussiones Mathematicae, Differential Inclusions, Control and Optimization > 2011 > 31 > 2 > 137-156
Computers and Mathematics with Applications > 2005 > 49 > 9-10 > 1347-1354