Cita APA (7a ed.)
Ivanov, O. A. Easy as pi?: An introduction to Higher Mathematics. Springer.
Cita estilo Chicago (17a ed.)
Ivanov, Oleg A. Easy as Pi?: An Introduction to Higher Mathematics. Nueva York, EUA: Springer.
Cita MLA (9a ed.)
Ivanov, Oleg A. Easy as Pi?: An Introduction to Higher Mathematics. Springer.
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