单词 | quadricovariant |
释义 | > as lemmasquadricovariant ΚΠ 1856 A. Cayley in Philos. Trans. (Royal Soc.) 146 122 No. 9 is the quadricovariant, or Hessian. 1892 Ann. Math. 6 184 The quadri-covariant, Hessian or canonizant, is defined [etc.]. < as lemmas |
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