Nuel Belnap. Prolegomenon to norms in branching space-times. J. Applied Logic, 9(2):83-94, 2011. [doi]
@article{Belnap11,
title = {Prolegomenon to norms in branching space-times},
author = {Nuel Belnap},
year = {2011},
doi = {10.1016/j.jal.2009.09.006},
url = {http://dx.doi.org/10.1016/j.jal.2009.09.006},
researchr = {https://researchr.org/publication/Belnap11},
cites = {0},
citedby = {0},
journal = {J. Applied Logic},
volume = {9},
number = {2},
pages = {83-94},
}