Orevkov, V. P. (1971). The calculi of symbolic logic I. American Mathematical Society.
Chicago Style (17th ed.) CitationOrevkov, V. P. The Calculi of Symbolic Logic I. Providence: American Mathematical Society, 1971.
MLA (9th ed.) CitationOrevkov, V. P. The Calculi of Symbolic Logic I. American Mathematical Society, 1971.