Problem of advance of the surface of contact discontinuity in the filtration of immiscible compressible fluids (the Verigin problem)
Translation from Sib. Mat. Zh. 23, No.1, 85-102 (Russian) (1982; Zbl 0559.76089).
nonstationary filtration of a compressible fluid
quasilinear parabolic diverging equation
scientific article; zbMATH DE number 3938982