@article{DAN_1974_214_1_a14,
     author = {Z. A. Chanturiya},
     title = {The modulus of variation of a function and its application in the theory of {Fourier} series},
     journal = {Doklady Akademii Nauk},
     pages = {63--66},
     publisher = {mathdoc},
     volume = {214},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_1_a14/}
}