German ⇄ German Russian

q. e. d. stresses
math.	что и требовалось доказать (Andrey Truhachev)
German thesaurus
q. e. d.
gen.	quod erat demonstrandum
q.e.d.
abbr.	was zu beweisen war
abbr., math.	id quod erat demonstrandum; quod erat demonstrandum