[1]
A. K. Sahakyan and R. R. Kamalian, “INTERVAL EDGE-COLORINGS OF TREES WITH RESTRICTIONS ON THE EDGES”, Proc. YSU A: Phys. Math. Sci., vol. 55, no. 2 (255), pp. 113–122, Aug. 2021, doi: 10.46991/PYSU:A/2021.55.2.113.