异圈 commented on Intersections of Finitely Many Generated Subgroups of Free Groups and Resolutions of Graphs by S. M. Gersten Oct. 26, 2021 page 4 of 25 Public Intersections of Finitely Many Generated Subgroups of Free Groups and Resolutions of Graphs (Springer-Verlah) No rating 一棵树是树，多棵树是森林，没毛病啊！
