Lehmann, A., Aubin, J., & Sildre, J. (2026). The big book of pi: The famous number you can never know (First edition.). HELVETIQ.
Cita Chicago Style (17a ed.)Lehmann, Anita, Jean-Baptiste Aubin, y Joonas Sildre. The Big Book of Pi: The Famous Number You Can Never Know. First edition. Basel, Switzerland: HELVETIQ, 2026.
Cita MLA (8a ed.)Lehmann, Anita, et al. The Big Book of Pi: The Famous Number You Can Never Know. First edition. HELVETIQ, 2026.
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