%0 Journal Article %A C. Olech %A A. Pliƛ %T Monotonicity assumption in uniqueness criteria for differential equations %J Colloquium Mathematicum %D 1967 %P 43-58 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-18-1-43-58/ %R 10.4064/cm-18-1-43-58 %G en %F 10_4064_cm_18_1_43_58