@article{DAN_1966_167_4_a4,
     author = {A. P. Kopylov},
     title = {The behavior of a three-dimensional quasiconformal mapping on plane sections of the region of definition},
     journal = {Doklady Akademii Nauk},
     pages = {743--746},
     publisher = {mathdoc},
     volume = {167},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_167_4_a4/}
}