RT Journal T1 HYERS-ULAM STABILITY OF SECOND-ORDER LINEAR DYNAMIC EQUATIONS ON TIME SCALES A1 Douglas R. ANDERSON, Masakazu ONITSUKA PB 数学物理学报(英文版) FD 2021-10-25 YR 2021 JF Acta Mathematica Scientia JO 数学物理学报(英文版) VO 41 IS 5 SP 1809 DO 10.1007/s10473-021-0525-2 K1 stability;second order;Hyers-Ulam;time scales LK {http://121.43.60.238/sxwlxbB/CN/article/article_16535.shtml}