共 8 条
[1]
Baillon J. B., 1978, Houston Journal of Mathematics, V4, P1
[2]
BAILLON JB, 1976, CR ACAD SCI A MATH, V283, P587
[4]
BRUCK RE, 1977, HOUSTON J MATH, V25, P165
[7]
ISHIKAWA S, 1976, P AM MATH SOC, V59, P265