共 7 条
[2]
COCKAYNE EJ, TO BE PUBLISHED
[3]
COURANT R, 1941, WHAT MATHEMATICS
[5]
MELZAK ZA, 1961, CANAD MATH B, V4, P143, DOI DOI 10.4153/CMB-1961-016-2
[6]
NIVEN I, 1965, MATHEMATICS CHOICE H
[7]
PRIM RC, BELL SYSTEM TECH J, V31, P1398