%0 Journal Article %A Švec, Alois %T On special plane nets %J Czechoslovak Mathematical Journal %D 1990 %P 64-69 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102359/ %R 10.21136/CMJ.1990.102359 %G en %F 10_21136_CMJ_1990_102359