| Issue Date | Title | Author(s) | Type | Мp-cat. |
| 2001 | Bipartite unicyclic graphs with greatest energy | Gutman, Ivan   ; Hou, YP | Article | |
| 2001 | On the Klemm model for bistability of mixtures of interacting enantiomers | Gutman, Ivan | Article | |
| 2001 | On Hosoya polynomials of benzenoid graphs | Gutman, Ivan ; Klavzar, Sandi; Petkovsek, M; Zigert, P | Article | |
| 2001 | On statistics of graph energy | Graovac, Ante; Gutman, Ivan ; John, PE; Vidovic, Dusica; Vlah, I | Article | |
| 2001 | Изотопи у археологији | Гутман, Иван ; Микић, Живко | Article | |
| 2001 | A simple (n,m)-type estimate of the total pi-electron energy | Gutman, Ivan | Article | |
| 2001 | Wiener index of trees: Theory and applications | Dobrynin, AA; Entringer, R; Gutman, Ivan | Article | |
| 2001 | The energy of a graph: Old and new results | Gutman, Ivan | Conference Paper | |
| 2001 | Total pi-electron energy of phenylenes: Bounds and approximate expressions | Gutman, Ivan ; Tomovic, Zeljko | Article | |
| 2001 | Narumi-Katayama index of phenylenes | Tomovic, Zeljko; Gutman, Ivan | Article | |
| 2001 | Approximating the total π-electron energy by means of spectral moments | Ivan Gutman ; Tanja Soldatović ; Ante Graovac; Slavko Vuković | Article | |
| 2001 | On the nullity of line graphs of trees | Gutman, Ivan ; Sciriha, I | Article | |
| 2001 | Choosing the exponent in the definition of the connectivity index | Gutman, Ivan ; Lepovic, Mirko V | Article | |
| 2001 | Determination of unconjugated carbon sites in benzenoid derivatives | Morikawa, T; Gutman, Ivan | Article | |
| 2001 | The energy of a graph and its size dependence. An improved Monte Carlo approach | Fripertinger, H; Gutman, Ivan ; Kerber, A; Kohnert, A; Vidovic, Dusica | Article | |
| 2001 | Modeling boiling points of cycloalkanes by means of iterated line graph sequences | Tomovic, Zeljko; Gutman, Ivan | Article | |
| 2001 | More Examples and Counterexamples for a Conjecture of Merrifield and Simmons | Wang, Yong; Li, Xueliang; Gutman, Ivan | Article | |
| 2001 | (n, m)-type approximations for total π-electron energy of benzenoid hydrocarbons | Soldatović, Tanja ; Gutman, Ivan | Article | |
| 2000 | More hyperenergetic molecular graphs | Koolen, JH; Moulton, V; Gutman, Ivan ; Vidovic, Dusica | Article | |
| 2000 | Calculating the hyper-Wiener index of benzenoid hydrocarbons | Zigert, P; Klavzar, Sandi; Gutman, Ivan | Article | |
Gutman, Ivan
