On choices from finite sets

Wanda Szmielew

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A. Mąkowski (1962)

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Niculescu, Gheorghe (2003)

Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică

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Sophie Piccard (1959)

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On a problem of W. Kinna and K. Wagner

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Approximation of the Heaviside function and uniqueness results for a class of quasilinear elliptic-parabolic problems.

G. Gagneux, F. Guerfi (1990)

Revista Matemática de la Universidad Complutense de Madrid

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In this paper, we concern ourselves with uniqueness results for an elliptic-parabolic quasilinear partial differential equation describing, for instance, the pressure of a fluid in a three-dimensional porous medium: within the frame of mathematical modeling of the secondary recovery from oil fields, the handling of the component conservation laws leads to a system including such a pressure equation, locally elliptic or parabolic according to the evolution of the gas phase.