@article{Gallier1981239,
    Author = {Gallier, Jean H.},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Number = {3},
    Pages = {239 - 270},
    Title = {Nondeterministic flowchart programs with recursive procedures: Semantics and correctness \{II\}},
    URL = {http://www.sciencedirect.com/science/article/pii/S0304397581800011},
    Volume = {13},
    Year = {1981},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397581800011},
    bdsk-url-2 = {http://dx.doi.org/10.1016/S0304-3975(81)80001-1},
    date-added = {2014-01-29 12:13:13 +0000},
    date-modified = {2014-01-29 12:13:13 +0000},
    doi = {10.1016/S0304-3975(81)80001-1}
}

@article{Gallier1981239, Author = {Gallier, Jean H.}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Number = {3}, Pages = {239 - 270}, Title = {Nondeterministic flowchart programs with recursive procedures: Semantics and correctness {II}}, URL = {http://www.sciencedirect.com/science/article/pii/S0304397581800011}, Volume = {13}, Year = {1981}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397581800011}, bdsk-url-2 = {http://dx.doi.org/10.1016/S0304-3975(81)80001-1}, date-added = {2014-01-29 12:13:13 +0000}, date-modified = {2014-01-29 12:13:13 +0000}, doi = {10.1016/S0304-3975(81)80001-1} }