@article{IM2_2021_85_4_a1,
     author = {D. R. Gaifulin and I. D. Kan},
     title = {The derivative of the {Minkowski} function},
     journal = {Izvestiya. Mathematics},
     pages = {621--665},
     year = {2021},
     volume = {85},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2021_85_4_a1/}
}