@article{SM_1998_189_5_a4,
     author = {V. A. Okulov},
     title = {Some structure properties of conjugate functions in $L(T^N)$},
     journal = {Sbornik. Mathematics},
     pages = {727--756},
     publisher = {mathdoc},
     volume = {189},
     number = {5},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_5_a4/}
}