@article{197361,
    Author = {Hayashi, Takeshi},
    File = {1973-009-001-03 (0) - a - a - d.pdf},
    Journal = {Publications of the Research Institute for Mathematical Sciences},
    Number = {1},
    Pages = {61-92},
    Title = {On Derivation Trees of Indexed Grammars \—An Extension of the uvwxy-Theorem\—},
    Volume = {9},
    Year = {1973},
    bdsk-url-1 = {http://dx.doi.org/10.2977/prims/1195192738},
    date-added = {2017-07-17 17:57:17 +0000},
    date-modified = {2017-07-17 17:57:17 +0000},
    doi = {10.2977/prims/1195192738}
}

@article{197361, Author = {Hayashi, Takeshi}, File = {1973-009-001-03 (0) - a - a - d.pdf}, Journal = {Publications of the Research Institute for Mathematical Sciences}, Number = {1}, Pages = {61-92}, Title = {On Derivation Trees of Indexed Grammars \—An Extension of the uvwxy-Theorem\—}, Volume = {9}, Year = {1973}, bdsk-url-1 = {http://dx.doi.org/10.2977/prims/1195192738}, date-added = {2017-07-17 17:57:17 +0000}, date-modified = {2017-07-17 17:57:17 +0000}, doi = {10.2977/prims/1195192738} }