@article{DAN_1994_339_4_a3,
     author = {V. N. Maslennikova and M. E. Bogovskii},
     title = {The maximum principle for the equation of the continuity of a},
     journal = {Doklady Akademii Nauk},
     pages = {446--450},
     publisher = {mathdoc},
     volume = {339},
     number = {4},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_339_4_a3/}
}