A. H. Gharibyan and P. A. Petrosyan, “LOCALLY-BALANCED k-PARTITIONS OF GRAPHS”, Proc. YSU A: Phys. Math. Sci., vol. 55, no. 2 (255), pp. 96–112, Aug. 2021, doi: 10.46991/PYSU:A/2021.55.2.096.