ЗМІСТ

Efendiev R.F., Orudzhev H.D.
Inverse Wave Spectral Problem with Discontinuous Wave Speed

Eyvazov E.H.
Higher Order DiRerential Operators with Finite Number of d-Interactions in Multivariate Case

Golinskii L., Kheifets A., F. Peherstorfer and P. Yuditskii
On a Class of Verblunsky Parameters that Corresponds to Guseinov's Class of Jacobi Parameters

Il'inskii A.
On a Question by A.M. Kagan

Lisitsa V.T.
On the Conditions of Total Resonance of Liouville Type Hamiltonian Systems with n Degrees of Freedom

Potomkin M.
On Singular Limit and Upper Semicontinuous Family of Attractors of Thermoviscoelastic Berger Plate