Franci, Raffaella Leonardo Fibonacci and treatises on the abacus in Italy in the fourteenth and fifteenth centuries. (Italian) Zbl 1202.01028 Boll. Stor. Sci. Mat. 23, No. 2, 33-54 (2003). Cited in 1 Document MSC: 01A35 History of mathematics in Late Antiquity and medieval Europe 01A40 History of mathematics in the 15th and 16th centuries, Renaissance Biographic References: Leonardo Fibonacci PDFBibTeX XMLCite \textit{R. Franci}, Boll. Stor. Sci. Mat. 23, No. 2, 33--54 (2003; Zbl 1202.01028)