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The numerical solution of waterflooding problems in petroleum engineering by variational methods. (English) Zbl 0245.65048
Studies numer. Analysis 2, numer. Solutions nonlin. Probl., Sympos. numer. Solution nonlin. Probl. Philadelphia 1968, 53-63 (1970).

65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
65M99 Numerical methods for partial differential equations, initial value and time-dependent initial-boundary value problems