%0 Journal Article %A et E. Kravchenko al. %B Astronomy & Astrophysics %D 2020 %G eng %N L6 %P 9 %T Linear polarization in the nucleus of M87 at 7 mm and 1.3 cm %U https://ui.adsabs.harvard.edu/abs/2020A%26A...637L...6K/abstract %V 637