共 10 条
[2]
Harary F., 1972, GRAPH THEORY
[3]
MAURER H, 1969, THEORETISCHE GRUNDLA
[5]
MAURER HA, 1980, 41 TU GRAZ I INF VER
[6]
MAURER HA, 1979, 38 TU GRAZ I INF VER
[7]
MAURER HR, UNPUBLISHED
[8]
OTTMANN T, 1979, GRAMMAR S GRAMMAR FO
[9]
Salomaa A., 1973, FORMAL LANGUAGES
[10]
Wood D., 1980, GRAMMAR L FORMS INTR