@article{https://doi.org/10.5281/zenodo.3519959,
doi = {10.5281/ZENODO.3519959},
url = {https://zenodo.org/record/3519959},
author = {{Dr Narayan Kumar Bhadra}},
title = {Modern Theory of Generalised Relativity},
publisher = {Zenodo},
year = {2019},
copyright = {Creative Commons Attribution 4.0 International} }