WAYLAND, H. (1957). Differential equations applied in science. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)WAYLAND, Harold. Differential Equations Applied in Science. Princeton, N.J: Van Nostrand, 1957.
Lua MLA (9ú heag.)WAYLAND, Harold. Differential Equations Applied in Science. Van Nostrand, 1957.
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