00898nam0-22003011i-450-99000105607040332120160112112252.0000105607FED01000105607(Aleph)000105607FED0100010560720001205d1961----km-y0itay50------baengBoundary and Eigenvalue Problems in Mathematical PhysicsHans SaganNew York [etc.]John Wiley1961XVIII, 381 p.ill.23 cmEquazioni differenziali e integroDifferenziali517.37Sagan,Hans50338ITUNINARICAUNIMARCBK99000105607040332115-0423322 F.T.FI1GM1 AI I 282230GM1FI1GM1Boundary and Eigenvalue Problems in Mathematical Physics340510UNINA