@misc{DoganogluHartzMittnik2006, author = {Toker Doganoglu and Christoph Hartz and Stefan Mittnik}, title = {Portfolio optimization when risk factors are conditionally varying and heavy tailed}, booktitle = {Center for Financial Studies (Frankfurt am Main): CFS working paper series ; No. 2006,24}, number = {October 2006}, institution = {Center for Financial Studies (CFS)}, series = {CFS working paper series}, number = {2006, 24}, type = {workingpaper}, pages = {27}, year = {2006}, }