1. BEDOCCHI, E.: Nota sulle frazioni continue p-adiche. Ann. Mat. Pura Appl.152, 197–207 (1988)
2. BEDOCCHI, E.: Remarks on periods of p-adic continued fractions. Boll. Un. Mat. Ital. (7)3-A, 209–214 (1989)
3. BROWKIN, J.: Continued fractions in local fields I. Demonstratio Math.11, 67–82 (1978)
4. MAHLER, K.: Zur Approximation p-adischer Irrationalzahlen. Nieuw Arch. Wisk.18, 22–34 (1936)
5. SIERPINSKI, W.: Elementary Theory of Numbers. Amsterdam & Warszawa: North Holland & PWN 1988