HEAD http://www.springerlink.com/content/n877766450lk8p66/fulltext.pdf
HTTP/1.1 301 Move: http://link.springer.com/10.1007%2FBF00717701
HTTP/1.1 301 Move: https://link.springer.com/10.1007%2FBF00717701
HTTP/1.1 302 Move: https://link.springer.com/article/10.1007%2FBF00717701
HTTP/1.1 200 OK
http://www.springerlink.com/content/n877766450lk8p66/fulltext.pdf
 redirects to
https://link.springer.com/article/10.1007%2FBF00717701
Redirects or moves are normal operations of a server. A well designed site will redirect users from older URLs to the newest URL of the month; as intentional with permalinks. At times, however, they redirect to advertisement, login, soft 404, and error pages. Read more.

In user namespace:

In wikipedia namespace: