1 “...In this monograph, questions of extensions and relaxations are consid­ ered. These questions arise...”

2 “... cov­ ered is on stochastic differential equations on various structures, together with some...”

3 “..."The task is done; the Maker rests. And lo! The engine turns. A million years shall flow, Ere round...”

4 “... Verdi` ere, [11], [12], gave the meromorphic continuation of Eisenstein and Poincar´ e series...”

5 “..., for the reader's convenience. The Editors take pleasure in thanking all participants, authors and ref­ erees...”

6 “..., for the reader's convenience. The Editors take pleasure in thanking all participants, authors and ref­ erees...”