Shmarev, S. I. On a degenerate parabolic equation in filtration theory: Monotonicity and C infinity-regularity of interface.

Shmarev, S. I.. On a Degenerate Parabolic Equation in Filtration Theory: Monotonicity and C Infinity-regularity of Interface.

Shmarev, S. I.. On a Degenerate Parabolic Equation in Filtration Theory: Monotonicity and C Infinity-regularity of Interface.