| 1-11 | A note on normal generation and generation of groups. Thom, Andreas | 
| 13-31 | A subclass of strongly clean rings. Gurgun, Orhan; Ungor, Sait Halicioglu and Burcu | 
| 33-45 | Existence of solutions for Navier problems with degenerate nonlinear elliptic equations. Cavalheiro, Albo Carlos | 
| 47-55 | On a class of nonlocal problem involving a critical exponent. Ourraoui, Anass | 
| 57-83 | Newton transformations on null hypersurfaces. Fotsing, Cyriaque Atindogbé and Hans Tetsing | 
| 85-93 | The gap theorems for some extremal submanifolds in a unit sphere. Wu, Xi Guo and Lan | 
| 95-99 | Contents of Previous Volumes. |