%0 Journal Article %A Ĺ eda, Valter %T Antitone operators and ordinary differential equations %J Czechoslovak Mathematical Journal %D 1981 %P 531-553 %V 31 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101772/ %R 10.21136/CMJ.1981.101772 %G en %F 10_21136_CMJ_1981_101772