Concepedia

Unbounded perturbations of forced second order ordinary differential equations at resonance

R. Iannacci, M. N. Nkashama

Journal of Differential Equations · 1987 · 58 citations · 12 references

DOI

Concepts

References

12

Bounded perturbations of forced harmonic oscillators at resonance

A. C. Lazer, Douglas Edward Leach · Annali di Matematica Pura ed Applicata (1923 -) · 1969 · 190 citations · Full text

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Elliptic equations with noninvertible Fredholm linear part and bounded nonlinearities

Herbert Amann, Antonio Ambrosetti, G.B. John Mancini · Mathematische Zeitschrift · 1978 · 116 citations

, , +10

On Schauder's fixed point theorem and forced second-order nonlinear oscillations

A. C. Lazer · Journal of Mathematical Analysis and Applications · 1968 · 112 citations

, , +12

Periodic solutions of some forced Liénard differential equations at resonance

Jean Mawhin, James Ward · Archiv der Mathematik · 1983 · 106 citations

, , +14

Double resonance in semilinear elliptic problems

Henri Berestycki, Djairo G. de Figueiredo · Communications in Partial Differential Equations · 1981 · 89 citations

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