M. R. Rakhimov, “The property of being an unconditional basis, on a closed interval, of systems of eigen- and associated functions of a quadratic pencil of second-order nonselfadjoint differential operators”, Dokl. Akad. Nauk SSSR, 1986, Volume 289, Number 5,Pages <nobr>1064

MATHEMATICS

The property of being an unconditional basis, on a closed interval, of systems of eigen- and associated functions of a quadratic pencil of second-order nonselfadjoint differential operators

M. R. Rakhimov

Lomonosov Moscow State University

UDC: 517.927.25

Presented: A. N. Tikhonov
Received: 22.05.1985