G. A. Il'yushina, “The generalized principle of localizing spectral decompositions that are connected with the Beltrami operator given in an arbitrary <nobr>$n$</nobr>-dimensional domain”, Differ. Uravn., 1971, Volume 7, Number 11,Pages <nobr>2058

Partial Differential Equations

The generalized principle of localizing spectral decompositions that are connected with the Beltrami operator given in an arbitrary $n$-dimensional domain

G. A. Il'yushina

Lomonosov Moscow State University

UDC: 517.946

Received: 13.07.1971