@article{IM2_1977_11_3_a8,
     author = {T. P. Lukashenko},
     title = {Denjoy--Khinchin-integrable functions and their conjugates},
     journal = {Izvestiya. Mathematics },
     pages = {625--664},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_3_a8/}
}