TY - GEN PB - University of Zielona Góra Press, Poland L1 - http://zbc.uz.zgora.pl/Content/2770/HTML/10sad.pdf L2 - http://zbc.uz.zgora.pl/Content/2770 T1 - International Journal of Applied Mathematics and Computer Science (AMCS) 2003, volume 13, number 2 UR - http://zbc.uz.zgora.pl/dlibra/docmetadata?id=2770 ER -