Boundary value problems for quasilinear second order elliptic equations

Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions. I

Shmuel Agmon, Avron Douglis, Louis Nirenberg · Communications on Pure and Applied Mathematics · 1959 · 3.8K citations

Natural Sciences, Mechanical Engineering, Differential Equations +10

Positive Solutions of Operator Equations.

A. R. Brodsky, M. A. Krasnosel’skii, Richard E. Flaherty et al. · American Mathematical Monthly · 1967 · 2.1K citations

Natural Sciences, Mathematics, Differential Equations +11

LINEAR AND QUASILINEAR ELLIPTIC EQUATIONS

D. E. Edmunds · Bulletin of the London Mathematical Society · 1969 · 2.1K citations

Natural Sciences, Mathematics, Differential Equations +7

Bifurcation from simple eigenvalues

Michael G. Crandall, Paul H. Rabinowitz · Journal of Functional Analysis · 1971 · 2.1K citations

Natural Sciences, Mathematics, Physics +12

Topological Methods in the Theory of Nonlinear Integral Equations.

E. H. Rothe, M. A. Krasnosel’skii, A. H. Armstrong et al. · American Mathematical Monthly · 1968 · 2K citations

Natural Sciences, Mathematics, Physics +10