@article{DAN_1981_256_3_a7,
     author = {A. V. Kosterin and E. G. Sheshukov},
     title = {Boundary-value problems of nonlinear anisotropic filtration},
     journal = {Doklady Akademii Nauk},
     pages = {548--551},
     publisher = {mathdoc},
     volume = {256},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_3_a7/}
}