@article{10_4064_cm136_1_6,
     author = {Michal Johanis},
     title = {A quantitative version of the converse
 {Taylor} theorem: $C^{k,\omega }$-smoothness},
     journal = {Colloquium Mathematicum},
     pages = {57--64},
     publisher = {mathdoc},
     volume = {136},
     number = {1},
     year = {2014},
     doi = {10.4064/cm136-1-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm136-1-6/}
}