- algebraical invariant
- мат.алгебраический инвариант
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Covariance and contravariance of vectors — For other uses of covariant or contravariant , see covariance and contravariance. In multilinear algebra and tensor analysis, covariance and contravariance describe how the quantitative description of certain geometric or physical entities… … Wikipedia
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