O. Vejvoda, M. Shtedry, “Existence of classical periodic solutions of the wave equation. The relation of the number-theoretic character of the period and the geometric properties of solutions”, Differ. Uravn., 1984, Volume 20, Number 10,Pages <nobr>1733

Partial Differential Equations

Existence of classical periodic solutions of the wave equation. The relation of the number-theoretic character of the period and the geometric properties of solutions

O. Vejvoda, M. Shtedry

CSSR

UDC: 517.95

Received: 12.08.1981