THI HUONG, Le; JUNCA, Stephane. ON CONVEX COMBINATIONS OF GRAZING LINEAR MODES FOR 2-DEGREE-OF-FREEDOM VIBRO-IMPACT SYSTEMS WITH 1:2 RESONANCE. Journal of Science Natural Science, [S. l.], v. 71, n. 1, p. 3–14, 2026. DOI: 10.18173/2354-1059.2026-0001. Disponível em: https://hnuejs.edu.vn/ns/article/view/1373. Acesso em: 1 apr. 2026.