Computers & Mathematics with Applications · 2004 · 28 citations · 9 references
Natural SciencesMathematicsDifferential EquationsBoundary ConditionsBoundary-value ProblemsInitial Value ProblemsMoving Boundary ProblemsPartial Differential EquationsElliptic Boundary-value ProblemsNonlinear Boundary-value Problems
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Positive Solutions of Operator Equations.
A. R. Brodsky, M. A. Krasnosel’skii, Richard E. Flaherty et al. · American Mathematical Monthly · 1967 · 2.1K citations