@article{DAN_1976_231_5_a4,
     author = {V. A. Danilov},
     title = {On the behavior of the derivatives of a quasi-conformal mapping near curves of discontinuity of the characteristic},
     journal = {Doklady Akademii Nauk},
     pages = {1049--1051},
     publisher = {mathdoc},
     volume = {231},
     number = {5},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_231_5_a4/}
}