Template:Ray&Pedersen1980
From Manifold Atlas
N. Ray and E. K. Pedersen, A fibration for , 788 (1980), 165–171. MR585659 (82c:57019) Zbl 0436.58012
N. Ray and E. K. Pedersen, A fibration for , 788 (1980), 165–171. MR585659 (82c:57019) Zbl 0436.58012