%0 Journal Article %A Jakobson, Dmitry %A Nadirashvili, Nikolai %A Polterovich, Iosif %T Extremal Metric for the First Eigenvalue on a Klein Bottle %J Canadian journal of mathematics %D 2006 %P 381-400 %V 58 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2006-016-0/ %R 10.4153/CJM-2006-016-0 %F 10_4153_CJM_2006_016_0