TY - 数学物理学报(英文版) A1 - Prondanai KASKASEM, Chakkrid KILN-EAM T1 - HYPERSTABILITY OF THE GENERALIZED CAUCHY-JENSEN FUNCTIONAL EQUATION IN ULTRAMETRIC SPACES Y1 - 2019-08-25 JF - Acta Mathematica Scientia JO - 数学物理学报(英文版) SP - 1017 EP - 1032 VL - 39 IS - 4 UR - http://121.43.60.238/sxwlxbB N1 - 10.1007/s10473-019-0408-y ER -