@article{IIGUM_2012_5_2_a0,
     author = {A. L. Kazakov and L. F. Spevak},
     title = {Boundary element method and power series method for one-dimensional non-linear filtration problems},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {2--17},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2012_5_2_a0/}
}