@article {545,
	title = {Doubly-Tuned Transformer Networks: A Tutorial},
	journal = {IEEE Transactions on Circuits and Systems II: Express Briefs},
	volume = {68},
	year = {2021},
	pages = {550-555},
	doi = {10.1109/TCSII.2020.3046021},
	author = {Bevilacqua, A. and A. Mazzanti}
}
