@article{SM_1977_33_1_a5,
     author = {T. P. Lukashenko},
     title = {Conjugate functions and the restricted {Denjoy} integral},
     journal = {Sbornik. Mathematics},
     pages = {81--124},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_33_1_a5/}
}