TY - JOUR AU - A. A. Avilov TI - Birational rigidity of $G$-del Pezzo threefolds of degree $2$ JO - Sbornik. Mathematics PY - 2023 SP - 757 EP - 792 VL - 214 IS - 6 UR - http://geodesic.mathdoc.fr/item/SM_2023_214_6_a0/ LA - en ID - SM_2023_214_6_a0 ER -