共 6 条
[1]
COCKAYNE EJ, 1969, CANAD MATH B, V10, P431
[2]
Courant R., 1941, WHAT IS MATH
[3]
GAREY MR, 1976, 8TH P ANN ACM S THEO, P10
[5]
Papadimitriou C. H., 1977, Theoretical Computer Science, V4, P237, DOI 10.1016/0304-3975(77)90012-3
[6]
Shamos M.I., 1977, THESIS YALE U NEW HA