"Journal für die reine und angewandte Mathematik (Crelles Journal)", 2001.532 (2001): 1-235. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/crll.2001.2001.issue-532/issue-files/crll.2001.2001.issue-532.xml

Journal für die reine und angewandte Mathematik (Crelles Journal) (2001), 2001(532), pp. 1-235. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/crll.2001.2001.issue-532/issue-files/crll.2001.2001.issue-532.xml

Journal für die reine und angewandte Mathematik (Crelles Journal). 2001. 2001(532): 1-235. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/crll.2001.2001.issue-532/issue-files/crll.2001.2001.issue-532.xml