Miscellaneous

Russian national olympiads

• Russian national undergraduate mathematics olympiad, 2007: problem set (PDF, English). Russian original (GIF)
• Russian national undergraduate mathematics olympiad, 2006: problem set (PDF, English). Russian original (GIF)

Other

• Other problems for high school olympiads
• My article published 2003-12-24 on physics247.com - a resource for high school and introductory college physics teachers and students