@article{VMUMM_2008_3_a5,
     author = {D. M. D'yachenko},
     title = {Rotation of a coordinate system and two-dimensional classes of functions of generalized bounded variation},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {26--29},
     publisher = {mathdoc},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_3_a5/}
}