Polya, G., & Bowden, L. (1977). Mathematical methods in science. Washington: Mathematical Association of America.
Παραπομπή Chicago StylePolya, George, and Leon Bowden. Mathematical Methods in Science. Washington: Mathematical Association of America, 1977.
Παραπομπή MLAPolya, George, and Leon Bowden. Mathematical Methods in Science. Washington: Mathematical Association of America, 1977.
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