@article{Ginsburg,
    Author = {Ginsburg, Seymour and Spanier, Edwin H.},
    File = {Bounded ALGOL-like languages - Ginsburg, Spanier (0) (0) - a - a - h.pdf},
    Journal = {Trans. Amer. Math. Soc.},
    Pages = {333--368},
    Title = {Bounded ALGOL-like languages},
    Volume = {113},
    Year = {1964},
    bdsk-url-1 = {http://dx.doi.org/10.1090/S0002-9947-1964-0181500-1},
    date-added = {2015-10-29 08:07:08 +0000},
    date-modified = {2015-10-29 08:08:57 +0000},
    doi = {10.1090/S0002-9947-1964-0181500-1}
}

@article{Ginsburg, Author = {Ginsburg, Seymour and Spanier, Edwin H.}, File = {Bounded ALGOL-like languages - Ginsburg, Spanier (0) (0) - a - a - h.pdf}, Journal = {Trans. Amer. Math. Soc.}, Pages = {333--368}, Title = {Bounded ALGOL-like languages}, Volume = {113}, Year = {1964}, bdsk-url-1 = {http://dx.doi.org/10.1090/S0002-9947-1964-0181500-1}, date-added = {2015-10-29 08:07:08 +0000}, date-modified = {2015-10-29 08:08:57 +0000}, doi = {10.1090/S0002-9947-1964-0181500-1} }