In 1966 it became apparent that the title needed considerable updates to meet new requirements [REF].
Verlag Harri Deutsch contracted [REF] and Heiner Mühlig[REF] to translate[REF] the last non-Teubner influenced edition (officially the latest revision (1977)[REF] of the third Russian edition (1953),[REF] which is actually the eleventh Russian edition (1967)) into German for a major rework of Taschenbuch der Mathematik as a single-volume title [REF].