Title:
Journal of the ACM
Abbreviated Title:
J. ACM
Publisher:
Association for Computing Machinery (ACM)
ISSN
(Print):
00045411
Publication date
(Print):
April
1981
Volume: 28
Issue: 2
Pages: 233-264
Article
DOI: 10.1145/322248.322251
SO-VID: 3c6b8b15-b10f-4db0-b732-1019e34f88b0