@article {12818,
	title = {The Brown-Halmos theorem for a pair of abstract Hardy spaces},
	journal = {Journal of Mathematical Analysis and Applications},
	volume = {472},
	year = {2019},
	pages = {246-265},
	url = {https://doi.org/10.1016/j.jmaa.2018.11.022},
	author = {Karlovich, Alexei and Shargorodsky, Eugene}
}
