M. S. Agranovich · 6 obras en el catálogoObrasNNon-selfadjoint Elliptic OperatorsNon-selfadjoint Elliptic OperatorsPartial differential equationsGeneralized method of eigenoscillations in diffraction theoryElliptic boundary value problemsPartial Differential Equations VIPPartial Differential Equations IXPartial Differential Equations IX