On the representation of hermitian forms as sums of squares Daniel G. Quillen OriginalPaper Pages: 237 - 242
Homotopieklassen von Idealbasen in Steinschen Algebren Otto ForsterKarl Josef Ramspott OriginalPaper Pages: 255 - 276
Deformations and liftings of finite, commutative group schemes Frans OortDavid Mumford OriginalPaper Pages: 317 - 334