1. Ali B. Aliyev and Kamala R. Rahimova............................................................ 3
Waves established during viscous fluid flow in elastic tube
2. Tahir J. Mammadov............................................. 12
Normal impact by asymmetric wedge on a flexible elastic thread 
3. Rafail K. Mekhtiev and Alekber K. Mekhdiev.................... 15
Longitudinal shear of a piecewise homogeneous medium in the case
when the binder and inclusions are weakened by doubly periodic rectilinear cracks
4. Sahib A. Piriyev and Taleh V. Shirinov and Ali B. Aliyev................................................................................................. 24
On mathematical modeling of the damageability of a cylindrically isotropic
thick pipe in a complex stress state
5. Ismail R. Sadigov......................................................................................................... 32

Torsional stability of a shell

6. Geylani M. Panahov and Babek N. Sultanov.............. 44
Cyclic shock wave in soil and determination of changes in stresses and displacements
7. Javad M. Tabatabaei..................... 53
Vibrations of longitudinally stiffened elastic medium-contacting cylindrical shells 
8. Gurbanali J. Veliyev
The influence of the material properties of the inhomogeneously pre-stressed hollow
cylinder contained compressible inviscid fluid on the dispersion of the axisymmetric
waves propagating .......................................................................................................................... 66
9. Aybeniz H. Yagnaliyeva
A boundary Harnack inequality for degenerate singular nonlinear parabolic Equations............. 78
10. In memory of professor Vagif Mirsalimov................................................................................. 83