On the construction of constant mean curvature imbeddings of exotic and/or knotted spheres into Sn (1). W.-t. Hsiang; W.-y. Hsiang — 1985 Inventiones mathematicae
On the construction of codimension two minimal immersions of exotic spheres into Euclidean spheres. W.-t. Hsiang; W.-y. Hsiang — 1985 Inventiones mathematicae