A. A. Arsen'ev, V. A. Il'in, “mean value formula for the fundamental functions of the Beltrami operator, and a precise estimate of the sum of the squares of the fundamental functions”, Dokl. Akad. Nauk SSSR, 1970, Volume 190, Number 6,Pages <nobr>1263

MATHEMATICS

mean value formula for the fundamental functions of the Beltrami operator, and a precise estimate of the sum of the squares of the fundamental functions

A. A. Arsen'ev, V. A. Il'in

Lomonosov Moscow State University

UDC: 517.383

Presented: A. N. Tikhonov
Received: 02.07.1969