@article{lmcs:940,
    title      = {Step-Indexed Relational Reasoning for Countable Nondeterminism},
    author     = {Lars Birkedal and Aleš Bizjak and Jan Schwinghammer},
    url        = {https://lmcs.episciences.org/940},
    doi        = {10.2168/LMCS-9(4:4)2013},
    journal    = {Logical Methods in Computer Science},
    issn       = {1860-5974},
    volume     = {Volume 9, Issue 4},
    eid        = 4,
    year       = {2013},
    month      = {Oct},
    keywords   = {Computer Science - Logic in Computer Science},
}