V. P. Maslov, “An asymptotic expression for the eigenfunctions of the equation <nobr>$\Delta u+k^2u=0$</nobr> with boundary conditions on equidistant curves and the propagation of electromagnetic waves in a waveguide”, Dokl. Akad. Nauk SSSR, 1958, Volume 123, Number 4,Pages <nobr>631

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MATHEMATICAL PHYSICS

An asymptotic expression for the eigenfunctions of the equation $\Delta u+k^2u=0$ with boundary conditions on equidistant curves and the propagation of electromagnetic waves in a waveguide

V. P. Maslov

Lomonosov Moscow State University

Presented: N. N. Bogolyubov
Received: 24.06.1958