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Almost Periodic Invariant Vector Sets in a Metric Vector Space
Author(s) -
Wilhelm Maak
Publication year - 1950
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.36.3.208
Subject(s) - agroecology , agriculture , metric system , food systems , sustainable agriculture , climate change , ecological farming , metric (unit) , environmental resource management , geography , business , environmental science , ecology , natural resource economics , food security , biology , economics , mixed farming , physics , marketing , astronomy

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