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Greiner-Petter, A.; Schubotz, M.; Cohl, H.S.; Gipp, B.: Semantic preserving bijective mappings for expressions involving special functions between computer algebra systems and document preparation systems (2019)
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Lamb, D.A.; Lamb, M.A.: Separation of concerns for indexing (1993)
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Clark, M.: Structural defects : form and content in electronic publishing (1996)
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Zanibbi, R.; Yuan, B.: Keyword and image-based retrieval for mathematical expressions (2011)
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