@article{ZNSL_1991_189_a6,
     author = {A. P. Oskolkov and M. M. Achmatov and R. D. Shadiev},
     title = {Nonlocal problems for the equations of filtration of nonnewtonian fluids in porous media},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {82--100},
     year = {1991},
     volume = {189},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_189_a6/}
}