Title:
Journal of the ACM
Abbreviated Title:
J. ACM
Publisher:
Association for Computing Machinery (ACM)
ISSN
(Print):
00045411
Publication date
(Print):
April
1975
Volume: 22
Issue: 2
Pages: 248-260
Article
DOI: 10.1145/321879.321887
SO-VID: 7501e4d2-d585-4d87-ac1c-d49ca5084e6c