@article{201910.0105,
	doi = {},
	url = {https://doi.org/},
	year = 2019,
	month = {October},
	publisher = {Preprints},
	author = {Radu Iordanescu and Florin Nichita and Ovidiu Pasarescu},
	title = {On Unification Theories},
	journal = {Preprints}
}