TY - JOUR AU - Dinh, Nguyen Van PY - 1999/12/30 Y2 - 2024/03/29 TI - The cubic non-linearity of order ε in the second approximation JF - Vietnam Journal of Mechanics JA - Vietnam J. Mech. VL - 21 IS - 4 SE - Research Article DO - 10.15625/0866-7136/10002 UR - https://vjs.ac.vn/index.php/vjmech/article/view/10002 SP - 203-212 AB - None ER -