V. A. Il'in, A. F. Filippov, “The character of the spectrum of a selfadjoint extension of the Laplace operator in a bounded region (fundamental systems of functions with an arbitrary preassigned subsequence of fundamental numbers)”, Dokl. Akad. Nauk SSSR, 1970, Volume 191, Number 2,Pages <nobr>267

This article is cited in 5 papers

MATHEMATICS

The character of the spectrum of a selfadjoint extension of the Laplace operator in a bounded region (fundamental systems of functions with an arbitrary preassigned subsequence of fundamental numbers)

V. A. Il'in, A. F. Filippov

Lomonosov Moscow State University

UDC: 517.432+517.512/4

Presented: A. N. Tikhonov
Received: 28.11.1969