| Dragić Banković | 
Reproductive solutions in Boolean algebras B and B2  | 
5 | 
| Ivan Gutman | 
Fragmentation formulas for the number of Kekulé structures, Hosoya and Merrifield-Simmons indices and related graph invariants  | 
11 | 
| 
 Ivan Gutman 
Hideyki Narumi  
 | 
An inequality for the simple topological index . | 
19 | 
| Dragomir S. Sever | 
 Two refinements of Hadamard's inequalities  
 | 
23 | 
| Nikola Rosić | 
On the method of differential combination  | 
27 | 
| Srboljub Stamenković | 
Establishing the analytical expression for the dependence of the specific heat of mercury in relation to temperature by means of Chebishev polynomials | 
37 | 
| 
 Radoslav V. Žikić 
Andraš Štajn 
 | 
The activity of superoxide dismutase and catalase in the liver of some freshwater Cyprinidae and Salmonidae fish | 
45 | 
| Dragan Todorović | 
Solitons in a molecular chain with impurity. Analysis of analytical solutions | 
51 | 
|   | 
In memorima prof. dr Bogdan Damnjanović  | 
61 |