Geodesic
Gutman index - a critical personal account
Bulletin de l'Académie serbe des sciences. Classe des sciences mathématiques et naturelles, Tome 46 (2021), p. 183 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

In the recent literature there are numerous publications concerned with a graph invariant named ``{ı Gutman index}'' ($\mathit{ZZ}$). In this paper, some details about the discovery of $\mathit{ZZ}$ are explained. In particular, it is pointed out that the name for $\mathit{ZZ}$ is a result of negligence, caused by a sloppy reading of the article in which $\mathit{ZZ}$ was mentioned for the first time. The main mathematical properties of $\mathit{ZZ}$ are presented. The reasons why $\mathit{ZZ}$ became popular among scholars doing research in graph theory and mathematical chemistry are discussed, and the practical applicability of $\mathit{ZZ}$ (which is minor) commented.
Classification : 05C07, 05C09, 05C12
Keywords: degree (of vertex), distance (in graph), degree distance (of graph), Gutman index 
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     author = {Ivan Gutman},
     title = {Gutman index - a critical personal account},
     journal = {Bulletin de l'Acad\'emie serbe des sciences. Classe des sciences math\'ematiques et naturelles},
     pages = {183 },
     publisher = {mathdoc},
     volume = {46},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASS_2021_46_a10/}
}
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Ivan Gutman. Gutman index - a critical personal account. Bulletin de l'Académie serbe des sciences. Classe des sciences mathématiques et naturelles, Tome 46 (2021), p. 183 . http://geodesic.mathdoc.fr/item/BASS_2021_46_a10/