共 14 条
[4]
BAIRD GE, 1964, J MATH PHYS, V12, P1723
[6]
Biedenharn LC., 1968, COMMUN MATH PHYS, V8, P89
[7]
BRACKEN AJ, 1971, J MATH PHYS, V12, P2009
[8]
GELFAND IM, 1950, DOKL AKAD NAUK SSSR+, V71, P825
[10]
GOULD MD, 1978, J AUST MATH SOC B, P401