Barzin, M.; Errera, A. La logique de M. Brouwer. Etat de la question. (French) Zbl 0008.29001 Bull. Math. Soc. Roum. Sci. 35, 51-52 (1933). PDFBibTeX XMLCite \textit{M. Barzin} and \textit{A. Errera}, Bull. Math. Soc. Roum. Sci. 35, 51--52 (1933; Zbl 0008.29001)
Barzin, M.; Errera, A. La logique de M. Brouwer. Etat de la question. (Italian) JFM 59.0867.01 Bulletin math. Soc. Roumaine des Sc. 35, 51-52 (1933). Reviewer: Rinow, W., Dr. (Berlin) PDFBibTeX XMLCite \textit{M. Barzin} and \textit{A. Errera}, Bull. Math. Soc. Roum. Sci. 35, 51--52 (1933; JFM 59.0867.01)
Barzin, M.; Errera, A. Sur la logique de M. Heyting. (French) JFM 58.0062.01 Enseignement 30, 248-250 (1932). Reviewer: Freudenthal, H., Dr. (Amsterdam) PDFBibTeX XMLCite \textit{M. Barzin} and \textit{A. Errera}, Enseign. Math. 30, 248--250 (1932; JFM 58.0062.01)
Heyting, A.; Barzin, M.; Errera, A. Sur la logique intuitionniste. (French) JFM 59.0056.03 Enseignement 31, 271-275 (1932). Reviewer: Freudenthal, H., Dr. (Amsterdam) PDFBibTeX XMLCite \textit{A. Heyting} et al., Enseign. Math. 31, 271--275 (1932; JFM 59.0056.03)
Barzin, M.; Errera, A. Note sur la logique de M. Heyting. (French) JFM 59.0056.02 Enseignement 31, 122-124 (1932). Reviewer: Freudenthal, H., Dr. (Amsterdam) PDFBibTeX XMLCite \textit{M. Barzin} and \textit{A. Errera}, Enseign. Math. 31, 122--124 (1932; JFM 59.0056.02)
Barzin, M.; Errera, A. Sur le principe du tiers exclu. (French) JFM 55.0633.08 26 p. Bruxelles, Stevens (Fasc. 2 des Archives de la Société Belge de Philosophie) (1929). PDFBibTeX XML
Barzin, M.; Errera, A. Sur la logique de M. Brouwer. (French) JFM 53.0040.02 Bulletin Acad. Bruxelles (5) 13, 56-71 (1927). Reviewer: Freudenthal, H., Dr. (Amsterdam) PDFBibTeX XMLCite \textit{M. Barzin} and \textit{A. Errera}, Bull. Cl. Sci., V. Sér., Acad. R. Belg. 13, 56--71 (1927; JFM 53.0040.02)