@article{201911.0074,
	doi = {10.20944/preprints201911.0074.v1},
	url = {https://doi.org/10.20944/preprints201911.0074.v1},
	year = 2019,
	month = {November},
	publisher = {Preprints},
	author = {Mihai Nadin},
	title = {Mona Lisa looks at us. And smiles},
	journal = {Preprints}
}