TY - JOUR AU - Jakobson, Dmitry AU - Nadirashvili, Nikolai AU - Polterovich, Iosif TI - Extremal Metric for the First Eigenvalue on a Klein Bottle JO - Canadian journal of mathematics PY - 2006 SP - 381 EP - 400 VL - 58 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2006-016-0/ DO - 10.4153/CJM-2006-016-0 ID - 10_4153_CJM_2006_016_0 ER -