SpringerLink (Online service) & Sommaruga, G. (2011). Foundational theories of classical and constructive mathematics. Springer Netherlands.
Chicago-viite (17. p.)SpringerLink (Online service) ja Giovanni Sommaruga. Foundational Theories of Classical and Constructive Mathematics. Dordrecht: Springer Netherlands, 2011.
MLA-viite (9. p.)SpringerLink (Online service) ja Giovanni Sommaruga. Foundational Theories of Classical and Constructive Mathematics. Springer Netherlands, 2011.
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