Columbia subject headings:
Harvard subject headings:
Amitsur, S. A. (Shimshon A.), 1921-
Division algebras--Congresses.
Rings (Algebra)--Congresses.
Princeton subject headings:
Amitsur, S. A. (Shimshon A.), 1921-
Division algebras--Congresses.
Rings (Algebra)--Congresses.