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zbMath0489.34067MaRDI QIDQ3950884

T. I. Smagina

Publication date: 1980

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

periodic boundary value problem nonlinear periodic boundary value problems equations of second order in a Hilbert space method of two-sided estimates non-bounded operator coefficients

Mathematics Subject Classification ID

Nonlinear differential equations in abstract spaces (34G20) Boundary value problems for ordinary differential equations (34B99)

Related Items (1)

Variational approach to the period solutions problem

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