@article {1568600,
	title = {Linear polarization in the nucleus of M87 at 7 mm and 1.3 cm},
	journal = {Astronomy \& Astrophysics},
	volume = {637},
	number = {L6},
	year = {2020},
	pages = {9},
	url = {https://ui.adsabs.harvard.edu/abs/2020A\%26A...637L...6K/abstract},
	author = {E. Kravchenko et al.}
}
