TY - JOUR AU - M. M. Grinenko TI - New Mori structures on a~double space of index~2 JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2004 SP - 573 EP - 574 VL - 59 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2004_59_3_a12/ LA - en ID - RM_2004_59_3_a12 ER -