Concerning the notion of completeness of invariant propositional calculi.

MLA

Pogorzelski, Witold. “Concerning the Notion of Completeness of Invariant Propositional Calculi.” Studia Logica, vol. 33, no. 1, Mar. 1974, pp. 69–72. EBSCOhost, https://doi.org/10.1007/BF02120868.

APA

Pogorzelski, W. (1974). Concerning the notion of completeness of invariant propositional calculi. Studia Logica, 33(1), 69–72. https://doi.org/10.1007/BF02120868

Chicago

Pogorzelski, Witold. 1974. “Concerning the Notion of Completeness of Invariant Propositional Calculi.” Studia Logica 33 (1): 69–72. doi:10.1007/BF02120868.