@article{evenvertexzgracefullabelingonrough,
  title = {Even vertex $ζ$-graceful labeling on Rough Graph},
  author = {R. Nithya and K. Anitha},
  year = {2022},
  eprint = {2208.12047},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.12047v1},
}