%0 Journal Article %A Szendrei, Ágnes %T On closed classes of quasilinear functions %J Czechoslovak Mathematical Journal %D 1980 %P 498-509 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101699/ %R 10.21136/CMJ.1980.101699 %G en %F 10_21136_CMJ_1980_101699