@ARTICLE{
author={Xu Shaohan,Xu Kexiang,Damnjanovic Ivan},
year={2026},
title={Maximum Number of Spanning Trees and Connectivity: Graphs with a Fixed Minimum Degree and Bipartite Graphs},
journal={DISCUSSIONES MATHEMATICAE GRAPH THEORY},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Damnjanovic Ivan,Xu Anran,Xu Kexiang},
year={2026},
title={On the transmission irregular trees with the maximum Wiener index},
journal={JOURNAL OF COMBINATORIAL OPTIMIZATION},
volume={51},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Alizadeh Yaser,Basic Nino,Damnjanovic Ivan,Doslic Tomislav,Pisanski Tomaz,Stevanovic Dragan,Xu Kexiang},
year={2024},
title={Solving the Mostar index inverse problem},
journal={JOURNAL OF MATHEMATICAL CHEMISTRY},
volume={62},
number={5},
pages={1079-1093},
document_type={Article},
} 

@ARTICLE{
author={Luo Zuwen,Xu Kexiang,Cevik-Ahmet Sinan,Gutman Ivan},
year={2023},
title={The average size of independent sets in unicyclic graphs},
journal={CONTRIBUTIONS TO MATHEMATICS},
volume={7},
number={},
pages={1-10},
document_type={Article},
} 

@ARTICLE{
author={Xu Kexiang,Gu Xiaoqian,Gutman Ivan},
year={2018},
title={Relations between total irregularity and non-self-centrality of graphs},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={337},
number={},
pages={461-468},
document_type={Article},
} 

@ARTICLE{
author={Feng Lihua,Xu Kexiang,Das Kinkar Ch,Ilic Aleksandar,Yu Guihai},
year={2016},
title={The number of spanning trees of a graph with given matching number},
journal={INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS},
volume={93},
number={6},
pages={837-843},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Xu Kexiang,Liu Muhuo},
year={2015},
title={A Congruence Relation for Wiener and Szeged Indices},
journal={FILOMAT},
volume={29},
number={5},
pages={1081-1083},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Zhong Lingping,Xu Kexiang},
year={2014},
title={Relating the ABC and harmonic indices},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={79},
number={5},
pages={557-563},
document_type={Article},
} 

@ARTICLE{
author={Xu Kexiang,Liu Muhuo,Das Kinkar Ch,Gutman Ivan,Furtula Boris},
year={2014},
title={A Survey on Graphs Extremal with Respect to Distance-Based Topological Indices},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={71},
number={3},
pages={461-508},
document_type={Review},
} 

@ARTICLE{
author={Das Kinkar Ch,Xu Kexiang,Gutman Ivan},
year={2013},
title={On Zagreb and Harary Indices},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={70},
number={1},
pages={301-314},
document_type={Article},
} 

@ARTICLE{
author={Das KC,Xu Kexiang,Gutman Ivan},
year={2012},
title={Comparison between Kirchhoff index and the Laplacian-energy-like invariant},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={436},
number={9},
pages={3661-3671},
document_type={Article},
} 

@ARTICLE{
author={Xu Kexiang,Gutman Ivan},
year={2011},
title={The Greatest Hosoya Index of Bicyclic Graphs with Given Maximum Degree},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={66},
number={3},
pages={795-824},
document_type={Article},
}