%0 Journal Article %A Michal Johanis %T A quantitative version of the converse Taylor theorem: $C^{k,\omega }$-smoothness %J Colloquium Mathematicum %D 2014 %P 57-64 %V 136 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm136-1-6/ %R 10.4064/cm136-1-6 %G en %F 10_4064_cm136_1_6