共 5 条
- [1] NUMBER OF LINES IN A DIGRAPH OF EACH CONNECTEDNESS CATEGORY [J]. SIAM REVIEW, 1961, 3 (04) : 309 - &
- [2] HARARY F, 1965, STRUCTURAL MODELS IN
- [3] Mc Andrew M.H., 1963, P THEAMERICAN MATH S, V14, P600, DOI DOI 10.1090/S0002-9939-1963-0151951-4
- [4] Sabidussi G., 1960, MATH Z, V72, P446, DOI 10.1007/BF01162967
- [5] Weichsel P., 1962, P AM MATH SOC, V13, P47, DOI DOI 10.2307/2033769