TY - JOUR AU - M. V. Shamolin TI - Invariants of homogeneous dynamic systems of arbitrary odd order with dissipation. IV. Ninth-order systems JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2025 SP - 62 EP - 97 VL - 239 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2025_239_a6/ LA - ru ID - INTO_2025_239_a6 ER -