On the relation of the operator ∂/∂s+∂/∂τ to evolution governed by accretive operators Michael G. CrandallL. C. Evans OriginalPaper Pages: 261 - 278
On generalized hankel operators induced by sums and products Paul A. Fuhrmann OriginalPaper Pages: 279 - 295
Numbertheoretical endomorphisms with σ-finite invariant measure F. Schweiger OriginalPaper Pages: 308 - 318
A compactness theorem for singular cardinals, free algebras, Whitehead problem and tranversals Saharon Shelah OriginalPaper Pages: 319 - 349