Wills, A. P. (1958). Vector analysis: With an introduction to tensor analysis (NA.). Dover.
Chicago-viite (17. p.)Wills, A. P. Vector Analysis: With an Introduction to Tensor Analysis. NA. USA: Dover, 1958.
MLA-viite (9. p.)Wills, A. P. Vector Analysis: With an Introduction to Tensor Analysis. NA. Dover, 1958.
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