| The higher-order matching polynomial of a graph | 1 | 0.37 | 2005 |
| Bounds for the Randi Connectivity Index | 3 | 0.56 | 2000 |
| Properties of New Orthogonal Graph Theoretical Invariants in Structure-Property Correlations | 1 | 0.39 | 1998 |
| A Theorem About The Algebraic Structure Underlying Orthogonal Graph Invariants | 1 | 0.67 | 1996 |
