共 5 条
[1]
ALEZEH H, 1987, J MATH MATH SCI, V10, P311
[2]
BKOUCHE R, 1970, CR ACAD SCI A MATH, V270, P1653
[3]
Borceux F., 1983, LNM
[5]
Gillman L., 1976, GRADUATE TEXTS MATH, V43