| Issue Date | Title | Author(s) | Type | Мp-cat. |
| 2004 | Chemistry and Mathematics - Two Scientific Languages of the 21St Century, Nova Acta Leopoldina, No. 330, Vol. 88 Deutsche Akademie Der Naturforscher Leopoldina, Halle (Saale), 2003 ISBN 3-8047-2038-2 | Gutman, Ivan  | Contribution to periodical | |
| 2004 | Solution of the Türker Inequality | Baralić, Đorđe ; Gutman, Ivan ; Popović, Branislav | Article | |
| 2004 | Relations between Wiener, hyper-Wiener and Zagreb indices | Zhou, Bo; Gutman, Ivan  | Article | |
| 2004 | On the relation between Zenkevich and Wiener indices of alkanes | Gutman, Ivan ; Furtula, Boris ; Arsic, Biljana ; Boskovic, Zarko | Article | |
| 2004 | Hexagonoidal partitioning and quasi-single bonds in benzenoid hydrocarbons | Morikawa, T; Narita, S; Gutman, Ivan  | Article | |
| 2004 | A Concealed Property of the Topological IndexZ | Gutman, Ivan ; Furtula, Boris ; Vidović, Dušica; Hosoya, Haruo | Article | |
| 2004 | Chirality codes and molecular structure | Aires-De-Sousa, J; Gasteiger, J; Gutman, Ivan ; Vidovic, Dusica | Article | |
| 2004 | Equienergetic chemical trees | Brankov, Vladimir; Stevanović, Dragan ; Gutman, Ivan  | Article | |
| 2004 | Chemistry and Mathematics : Two Scientific Languages of the 21St Century : Nova Acta Leopoldina, No. 330, Vol. 88 | Gutman, Ivan  | Contribution to periodical | |
| 2004 | Electron content and electron excess of rings of benzenoid hydrocarbons | Gutman, Ivan  | Article | |
| 2004 | Cyclic conjugation in benzo-annelated perylenes. How empty is the "empty" ring? | Gutman, Ivan ; Turkovic, Nedzad; Jovicic, Jelena | Article | |
| 2004 | Algebraic Kekule structures of benzenoid hydrocarbons | Gutman, Ivan ; Vukicevic, Damir; Graovac, Ante; Randic, Milan | Article | |
| 2004 | Another Class of Equienergetic Graphs | Ramane, Harishchandra S.; Gutman, Ivan ; Walikar, Hanumappa B.; Halkarni, Sabeena B. | Article | |
| 2004 | The Lapacian Permanental Polynomial : Formulas and Algorithms | Cash, Gordon G.; Gutman, Ivan  | Article | |
| 2004 | Clar number of hexagonal chains | Salem, K; Gutman, Ivan  | Article | |
| 2004 | The First Zagreb Index 30 Years After | Gutman, Ivan ; Das, Kinkar Ch. | Article | |
| 2004 | Effect of non-bonding molecular orbitals on total π-electron energy | Gutman, I. ; Cmiljanović, N.; Milosavljević, S. ; Radenković, Slavko  | Article | |
| 2004 | Relations Between Resistance and Laplacian Matrices and Their Applications | Xiao, Wenjun; Gutman, Ivan  | Article | |
| 2004 | Effect of ethyl groups on the relation between Zenkevich and Wiener indices | Gutman, Ivan ; Furtula, Boris  | Article | |
| 2003 | Chemical applications of the Laplacian spectrum. VII. Studies of the Wiener and Kirchhoff indices | Gutman, Ivan ; Vidović, Dušica; Furtula, Boris  | Article | |