P. Exner, O. Turek
Quantum graphs with the Bethe-Sommerfeld property 305
M.I. Muminov, C. Lokman
Finiteness of discrete spectrum of the two-particle Schrödinger operator on diamond lattices 310
M. Aripov, A.S. Matyakubov
To the qualitative properties of solution of system equations not in divergence form of polytrophic filtration in variable density 317
B.I. Islomov, O.Kh. Abdullayev, N.K. Ochilova
On a problem for the loaded degenerating mixed type equation involving integral-differential operators 323