@article{DAN_1963_152_3_a7,
     author = {S. G. Kozlovtsev},
     title = {On the structure of measurable functions with no asymptotic derivative},
     journal = {Doklady Akademii Nauk},
     pages = {537--539},
     publisher = {mathdoc},
     volume = {152},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a7/}
}