@article{CHEB_2022_23_5_a8,
     author = {A. S. Orevkova},
     title = {Reducing smooth functions to normal forms near critical points},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {101--116},
     publisher = {mathdoc},
     volume = {23},
     number = {5},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2022_23_5_a8/}
}