A survey of G. J. Butler's research in the qualitative theory of ordinary differential equations von Erbe, L.H.

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Multiple Positive Solutions of Some Boundary Value Problems von Erbe, L.H., Hu, S.C., Wang, H.Y.

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INTEGRAL EQUATIONS CONVERTIBLE TO FIXED POINT EQUATIONS OF ORDER-PRESERVING OPERATORS von ERBE, L.H., HU, SHOUCHUAN

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Existence of solutions to boundary value problems for second order differential equations von Erbe, L.H.

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S1-degree and global Hopf bifurcation theory of functional differential equations von Erbe, L.H, Krawcewicz, W, Gȩba, K, Wu, J

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Solvability of two-point boundary value problems for systems of nonlinear differential equations of the form $\bf y^{\bf\pp}=g(t,y,y^\p,y^{\bf\pp}) von Erbe, L.H., Krawcewicz, W., Kaczynski, T.

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Boundary value problems for singular second-order functional differential equations von Erbe, L.H., Kong, Qingkai

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INTRODUCTION TO SPECIAL ISSUE von Erbe, L.H., Freedman, H.I.

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INTRODUCTION TO SPECIAL ISSUE von Erbe, L.H., Freedman, H.I.

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INTRODUCTION TO SPECIAL ISSUE von Erbe, L.H., Freedman, H.I.

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INTRODUCTION TO SPECIAL ISSUE von Erbe, L.H., Freedman, H.I.

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Leray-Schauder degree for semilinear Fredholm maps and periodic boundary value problems of neutral equations von Erbe, L.H., Krawcewicz, W., Wu, J.

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EDITORIAL von ERBE, L.H., FREEDMAN, H.I.

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Existence results for boundary value problems of second order impulsive differential equations von Erbe, L.H., Liu, Xinzhi

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Three-species food-chain models with mutual interference and time delays von Erbe, L.H., Freedman, H.I., Rao, V.Sree Hari

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Boundary value problems for nonlinear impulsive integrodifferential equations von Erbe, L.H., Liu, Xinzhi

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Generalized disconjugacy and comparison theorems von Erbe, L.H

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Oscillation results for selfadjoint differential systems von Butler, G.J, Erbe, L.H

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Nonoscillation results for third-order nonlinear differential equations von Erbe, L.H, Rao, V.S.H

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Boundary value problems for second-order differential systems von Erbe, L.H, Palamides, P.K

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