@ARTICLE{
author={Buyantogtokh Lkhagva,Horoldagva Batmend,Gutman Ivan},
year={2024},
title={On minimum generalized ABC index of graphs},
journal={FILOMAT},
volume={38},
number={19},
pages={6639-6650},
document_type={Article},
} 

@ARTICLE{
author={Dorjsembe Shiikhar,Buyantogtokh Lkhagva,Gutman Ivan,Horoldagva Batmend,Reti Tamas},
year={2023},
title={Irregularity of Graphs},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={89},
number={2},
pages={371-388},
document_type={Article},
} 

@ARTICLE{
author={Horoldagva Batmend,Buyantogtokh Lkhagva,Dorjsembe Shiikhar,Gutman Ivan},
year={2016},
title={Maximum Size of Maximally Irregular Graphs},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={76},
number={1},
pages={81-98},
document_type={Article},
}