TY - JOUR AU - A. M. Elishev AU - A. Ya. Belov AU - F. Razavinia AU - Yu Jie-Tai AU - Wenchao Zhang TI - Polynomial automorphisms, quantization, and Jacobian conjecture related problems. IV. Approximations by polynomial symplectomorphisms JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2022 SP - 153 EP - 171 VL - 216 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2022_216_a14/ LA - ru ID - INTO_2022_216_a14 ER -