Kantorovich, L. V. (1958). Approximate methods of higher analysis. P. Noordhoff.
Lua i Stíl Chicago (17ú heag.)Kantorovich, L. V. Approximate Methods of Higher Analysis. Netherlands: P. Noordhoff, 1958.
Lua MLA (9ú heag.)Kantorovich, L. V. Approximate Methods of Higher Analysis. P. Noordhoff, 1958.
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