%0 Journal Article %A Kryštof, Václav %T Further generalized versions of Ilmanen's lemma on insertion of $C^{1,\omega}$ or $C^{1,\omega}_{\text{\rm loc}}$ functions %J Commentationes Mathematicae Universitatis Carolinae %D 2021 %P 445-455 %V 62 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2021.031/ %R 10.14712/1213-7243.2021.031 %G en %F 10_14712_1213_7243_2021_031