The title literally means "Results in mathematics and related areas".
The series started in 1932 with publication of Knotentheorie by Kurt Reidemeister as "Band 1" (English: volume 1).
A total of 100 volumes was published, often in multiple editions, but preserving the original numbering within the series.
As of February 2008, P. R. Halmos, P. J. Hilton, R. Remmert, and B. Szökefalvi-Nagy are listed on the series' website as the editors of the defunct 2.
This sequence started in 1983 with the publication of Galois module structure of algebraic integers by Albrecht Fröhlich.