共 6 条
[1]
CAYLEY A, 1897, QUART J MATH, V23, P376
[2]
FELLER W, 1957, INTRODUCTION PROBABI, V1
[4]
HARARY F, 1967, SEMINAR GRAPH THE ED, P70
[5]
MOON JW, 1967, SEMINAR GRAPH THEORY, P70
[6]
RENYI A, 1959, PUBL MATH I HUNG, V4, P73