Hubbard, J. H., & Hubbard, B. B. (2002). Vector calculus, linear algebra, and differential forms: A unified aproach (2nd ed.). Upper Saddle River, NJ: Prentice-Hall.
Παραπομπή Chicago StyleHubbard, John Hamal, and Barbara Burke Hubbard. Vector Calculus, Linear Algebra, and Differential Forms: A Unified Aproach. 2nd ed. Upper Saddle River, NJ: Prentice-Hall, 2002.
Παραπομπή MLAHubbard, John Hamal, and Barbara Burke Hubbard. Vector Calculus, Linear Algebra, and Differential Forms: A Unified Aproach. 2nd ed. Upper Saddle River, NJ: Prentice-Hall, 2002.
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