@article{IVM_1974_4_a15,
     author = {E. G. Sheshukov},
     title = {The behavior of the solutions of nonlinear filtration problems near a~curve of degeneracy of the domain of the hodograph of the velocity},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {114--119},
     publisher = {mathdoc},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1974_4_a15/}
}