File:TMJmid4.gif

Summary
Description: Cover image of a non-disclosed issue of the Tohoku Mathematical Journal.

Author: Tohoku Mathematical Journal.

Source: About TMJ.

URL:.

Fair use rationale: The use is purely for non-profit reasons, and to educate users on the journal in question. Its use does not limit the copyright owner's rights to sell or market related products or the journal itself in any way.