Gottlieb, D. (1980). Ontological economy: Substitutional quantification and mathematics. O. U. P..
Chicago-čujuhus (17. p.)Gottlieb, Dale. Ontological Economy: Substitutional Quantification and Mathematics. New York;; Oxford: O. U. P., 1980.
MLA-čujuhus (9. p.)Gottlieb, Dale. Ontological Economy: Substitutional Quantification and Mathematics. O. U. P., 1980.
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