Lipschutz, S. (1998). Schaum's outline of theory and problems of set theory and related topics (2nd ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Lipschutz, Seymour. Schaum's Outline of Theory and Problems of Set Theory and Related Topics. 2nd ed. New York: McGraw-Hill, 1998.
MLA-čujuhus (9. p.)Lipschutz, Seymour. Schaum's Outline of Theory and Problems of Set Theory and Related Topics. 2nd ed. McGraw-Hill, 1998.
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