%0 Journal Article %A Lukeš, Jaroslav %A Netuka, Ivan %A Veselý, Jiří %T In memory of Josef Král %J Mathematica Bohemica %D 2006 %P 427-448 %V 131 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2006.133976/ %R 10.21136/MB.2006.133976 %G en %F 10_21136_MB_2006_133976