@article{Kaji_1994,
    doi = {10.1111/j.1467-8640.1994.tb00008.x},
    url = {https://doi.org/10.1111%2Fj.1467-8640.1994.tb00008.x},
    year = {1994},
    month = {nov},
    publisher = {Wiley},
    volume = {10},
    number = {4},
    pages = {440--452},
    author = {Yuichi Kaji and Ryuichi Nakanishi and Hiroyuki Seki and Tadao Kasami},
    title = {{THE} {COMPUTATIONAL} {COMPLEXITY} {OF} {THE} {UNIVERSAL} {RECOGNITION} {PROBLEM} {FOR} {PARALLEL} {MULTIPLE} {CONTEXT}-{FREE} {GRAMMARS}},
    journal = {Computational Intelligence}
}

@article{Kaji_1994, doi = {10.1111/j.1467-8640.1994.tb00008.x}, url = {https://doi.org/10.1111%2Fj.1467-8640.1994.tb00008.x}, year = {1994}, month = {nov}, publisher = {Wiley}, volume = {10}, number = {4}, pages = {440--452}, author = {Yuichi Kaji and Ryuichi Nakanishi and Hiroyuki Seki and Tadao Kasami}, title = {{THE} {COMPUTATIONAL} {COMPLEXITY} {OF} {THE} {UNIVERSAL} {RECOGNITION} {PROBLEM} {FOR} {PARALLEL} {MULTIPLE} {CONTEXT}-{FREE} {GRAMMARS}}, journal = {Computational Intelligence} }