Additional comments on a problem in concurrent programming control

N. G. de Bruijn
1967 Communications of the ACM  
C o m m u n i c a t i o n s of t h e ACM V o l u m e 10 / N u m b e r 3 / M a r c h , 1967
doi:10.1145/363162.363167 fatcat:h4h4efg5tndiba2vo2tito5wwy