Schey, H. M. (2005). Div, grad, curl, and all that: An informal text on vector calculus (4th edition.). W.W. Norton.
Lua i Stíl Chicago (17ú heag.)Schey, H. M. Div, Grad, Curl, and All That: An Informal Text on Vector Calculus. 4th edition. New York: W.W. Norton, 2005.
Lua MLA (8ú heag.)Schey, H. M. Div, Grad, Curl, and All That: An Informal Text on Vector Calculus. 4th edition. W.W. Norton, 2005.
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