Note on Estrada and -Estrada indices of graphs
G. H. Fath-Tabar, A. R. Ashrafi, I. Gutman (2009)
Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques
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G. H. Fath-Tabar, A. R. Ashrafi, I. Gutman (2009)
Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques
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Tatjana Aleksić, I. Gutman, M. Petrović (2007)
Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques
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Kinkar Ch. Das (2003)
Kragujevac Journal of Mathematics
Similarity:
B. Zhou, I. Gutman (2007)
Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques
Similarity:
Harishchandra S. Ramane, Deepak S. Revankar, Ivan Gutman, Siddani Bhaskara Rao, B. Devadas Acharya, Hanumappa B. Walikar (2008)
Kragujevac Journal of Mathematics
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S. Pirzada, M. Merajuddin, U. Samee (2008)
Matematički Vesnik
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Kishori P. Narayankar, S. B. Lokesh, Veena Mathad, Ivan Gutman (2012)
Kragujevac Journal of Mathematics
Similarity:
Markowsky, Greg, Koolen, Jacobus (2010)
The Electronic Journal of Combinatorics [electronic only]
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Liu Wu-xin, Wei Fu-yi (2011)
Kragujevac Journal of Mathematics
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Mirko Lepović (2002)
Kragujevac Journal of Mathematics
Similarity:
Ivan Gutman, Elías Gudiño, Domingo Quiroz (2009)
Kragujevac Journal of Mathematics
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