共 11 条
- [2] ASSAF A, 1990, ARS COMBINATORIA, V29, P13
- [3] Assaf A. M., 1997, AUSTRALAS J COMBIN, V16, P229
- [8] Modified group divisible designs with block size four [J]. DISCRETE MATHEMATICS, 2000, 219 (1-3) : 207 - 221
- [10] WEI R, 1993, ARS COMBINATORIA, V35, P315