共 5 条
[1]
HARARY F, 1965, STRUCTURAL MODELS IN
[2]
Hartmanis J., 1966, ALGEBRAIC STRUCTURE
[3]
WARFIELD JN, 1973, IEEE SYST M, VSMC3, P441
[4]
WARFIELD JN, 1971, IEEE T ENG MANAG, VEM18, P132
[5]
WARFIELD JN, 1974, IEEE SYST M, VSMC4, P74