Page not found (404)

Request Method: GET
Request URL: http://www.abeu.org.br/farol/abeu/catalogo-unificado/item/edufac/elementos-revista-de-ensino-pesquisas-em-classes-operacoes-e-propriedades-de-estruturas-algebricas-2011-volume-1-numero-1-/1207759/
Raised by: wagtail.core.views.serve

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.