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