共 10 条
[1]
Faith C., 1964, ARCH MATH, V15, P166
[4]
FULLER KR, TO BE PUBLISHED
[6]
Kato T., 1967, TOHOKU MATH J, V19, P485
[7]
MOHAMED SH, TO BE PUBLISHED
[8]
MORITA K, 1958, SCI REP TOKYO KYOIKU, V6, P85
[9]
ROBERT E, 1969, CR ACAD SCI PARIS AB, V286, P361
[10]
TACHIKAWA H, 1958, MATH Z, V68, P479