TY - JOUR AU - Huang, Min-Jei TI - On stability for time-periodic perturbations of harmonic oscillators JO - Annales de l'I.H.P. Physique théorique PY - 1989 DA - 1989/// SP - 229 EP - 238 VL - 50 IS - 3 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPA_1989__50_3_229_0/ UR - https://zbmath.org/?q=an%3A0693.34063 UR - https://www.ams.org/mathscinet-getitem?mr=1017964 LA - en ID - AIHPA_1989__50_3_229_0 ER -