共 43 条
[11]
Rassias JM(1989)On approximation of approximately linear mappings by linear mappings J Approx Theory 57 268-273
[12]
Rassias JM(1992)Solution of a problem of Ulam Chin J Math 20 185-190
[13]
Rassias JM(1994)On the stability of the Euler-Lagrange functional equation J Math Phys Sci 28 231-235
[14]
Rassias JM(1996)On the stability of the non-linear Euler-Lagrange functional equation in real normed linear spaces Demonstratio Math 29 755-766
[15]
Rassias JM(1998)On the stability of the general Euler-Lagrange functional equation J Math Anal Appl 220 613-639
[16]
Rassias JM(2008)Solution of the Ulam stability problem for Euler-Lagrange quadratic mappings Int J Math Stat 3 36-46
[17]
Ravi K(2009)Ulam stability for the orthogonally general Euler-Lagrange type functional equation J Pure Appl Math 10 1-8
[18]
Arunkumar M(1995)Superstability for generalized module left derivations and generalized module derivations on a Banach module Results Math 27 368-372
[19]
Rassias JM(1983)Quadratic functional equation and inner product spaces Rend Sem Mat Fis Milano 53 113-129
[20]
Cao HX(1984)Propriet locali e approssimazione di operatori Aequationes Math 27 76-86