S. M. Ponomarev, “A generalization of the theorem of M. V. Keldyš on the completeness of the eigen- and associated functions of the first boundary value problem for a nonselfadjoint elliptic operator”, Differ. Uravn., 1974, Volume 10, Number 12,Pages <nobr>2294

Short Communications

A generalization of the theorem of M. V. Keldyš on the completeness of the eigen- and associated functions of the first boundary value problem for a nonselfadjoint elliptic operator

S. M. Ponomarev

Lomonosov Moscow State University

UDC: 517.946

Received: 25.09.1974