TY - JOUR AU - J. Kollár TI - Birational Rigidity of Fano Varieties and Field Extensions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2009 SP - 103 EP - 108 VL - 264 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2009_264_a11/ LA - en ID - TM_2009_264_a11 ER -