Xu Shaohan,Xu Kexiang,Damnjanovic Ivan (2026) Maximum Number of Spanning Trees and Connectivity: Graphs with a Fixed Minimum Degree and Bipartite Graphs, DISCUSSIONES MATHEMATICAE GRAPH THEORY, vol. , br. , str. - (Article; Early Access) 

Damnjanovic Ivan,Xu Anran,Xu Kexiang (2026) On the transmission irregular trees with the maximum Wiener index, JOURNAL OF COMBINATORIAL OPTIMIZATION, vol. 51, br. 1, str. - (Article) 

Alizadeh Yaser,Basic Nino,Damnjanovic Ivan,Doslic Tomislav,Pisanski Tomaz,Stevanovic Dragan,Xu Kexiang (2024) Solving the Mostar index inverse problem, JOURNAL OF MATHEMATICAL CHEMISTRY, vol. 62, br. 5, str. 1079-1093 (Article) 

Luo Zuwen,Xu Kexiang,Cevik-Ahmet Sinan,Gutman Ivan (2023) The average size of independent sets in unicyclic graphs, CONTRIBUTIONS TO MATHEMATICS, vol. 7, br. , str. 1-10 (Article) 

Xu Kexiang,Gu Xiaoqian,Gutman Ivan (2018) Relations between total irregularity and non-self-centrality of graphs, APPLIED MATHEMATICS AND COMPUTATION, vol. 337, br. , str. 461-468 (Article) 

Feng Lihua,Xu Kexiang,Das Kinkar Ch,Ilic Aleksandar,Yu Guihai (2016) The number of spanning trees of a graph with given matching number, INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, vol. 93, br. 6, str. 837-843 (Article) 

Gutman Ivan,Xu Kexiang,Liu Muhuo (2015) A Congruence Relation for Wiener and Szeged Indices, FILOMAT, vol. 29, br. 5, str. 1081-1083 (Article) 

Gutman Ivan,Zhong Lingping,Xu Kexiang (2014) Relating the ABC and harmonic indices, JOURNAL OF THE SERBIAN CHEMICAL SOCIETY, vol. 79, br. 5, str. 557-563 (Article) 

Xu Kexiang,Liu Muhuo,Das Kinkar Ch,Gutman Ivan,Furtula Boris (2014) A Survey on Graphs Extremal with Respect to Distance-Based Topological Indices, MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY, vol. 71, br. 3, str. 461-508 (Review) 

Das Kinkar Ch,Xu Kexiang,Gutman Ivan (2013) On Zagreb and Harary Indices, MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY, vol. 70, br. 1, str. 301-314 (Article) 

Das KC,Xu Kexiang,Gutman Ivan (2012) Comparison between Kirchhoff index and the Laplacian-energy-like invariant, LINEAR ALGEBRA AND ITS APPLICATIONS, vol. 436, br. 9, str. 3661-3671 (Article) 

Xu Kexiang,Gutman Ivan (2011) The Greatest Hosoya Index of Bicyclic Graphs with Given Maximum Degree, MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY, vol. 66, br. 3, str. 795-824 (Article)