TY - GEN PB - University of Zielona Góra Press, Poland L1 - http://www.zbc.uz.zgora.pl/Content/2580/HTML/Vol15No1-100.pdf L2 - http://www.zbc.uz.zgora.pl/Content/2580 T1 - International Journal of Applied Mathematics and Computer Science (AMCS) 2005, volume 15, number 1 UR - http://www.zbc.uz.zgora.pl/dlibra/docmetadata?id=2580 ER -