共 5 条
[2]
KAPLANSK.I, 1969, P LOND MATH SOC, V19, P219
[3]
KNESER M, 1973, QUADRATISCHE FORMEN
[4]
Peters M., 1968, ACTA ARITH, V15, P329
[5]
ROGGENKAMP KW, 1970, LECTURE NOTES MATH, V142