"Journal für die reine und angewandte Mathematik (Crelles Journal)", 2007.603 (2007): 1-233. Retrieved 25 May. 2013, from http://www.degruyter.com/view/j/crll.2007.2007.issue-603/issue-files/crll.2007.2007.issue-603.xml

Journal für die reine und angewandte Mathematik (Crelles Journal) (2007), 2007(603), pp. 1-233. Retrieved 25 May. 2013, from http://www.degruyter.com/view/j/crll.2007.2007.issue-603/issue-files/crll.2007.2007.issue-603.xml

Journal für die reine und angewandte Mathematik (Crelles Journal). 2007. 2007(603): 1-233. Retrieved 25 May. 2013, from http://www.degruyter.com/view/j/crll.2007.2007.issue-603/issue-files/crll.2007.2007.issue-603.xml