1. Ahlfors, L.V. : Complex Analysis. McGraw-Hill Book Company, New York (1966)
2. Barukčić, J. P., Barukčić, I. : Anti Aristotle - The Division Of Zero By Zero, ViXra.org, Friday, June 5, (2015) Ilija Barukčić, Jever, Germany. All rights reserved. Friday, June 5, 20, 44–59 (2015)
3. Bergstra, J.A.: Conditional Values in Signed Meadow Based Axiomatic Probability Calculus (2016). arXiv:1609.02812v2 [math.LO]
4. Bergstra, J.A., Hirshfeld, Y., Tucker, J.V.: Meadows and the equational specification of division (2009). arXiv:0901.0823v1 [math.RA]
5. Castro, L.P., Saitoh, S.: Fractional functions and their representations. Complex Anal. Oper. Theory 7(4), 1049–1063 (2013)