Klein four-group
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5107-1382-4
High Quality Content by WIKIPEDIA articles! In mathematics, the Klein four-group (or just Klein group or Vierergruppe (English: four-group), often symbolized by the letter V) is the group Z2 ? Z2, the direct product of two copies of the cyclic group of or