共 7 条
[2]
Backus JW., 1960, NUMER MATH, V2, P106
[3]
BACKUS JW, 1959, JUN P INT C INF PROC
[4]
JENSEN J, 1961, MANUAL DASK ALGOL LA
[6]
PERLIS AJ, 1959, NUMER MATH, V1, P41
[7]
1962, ALGOL B, V15