The following publications are possibly variants of this publication:
- Rational Solutions of First Order Linear Difference SystemsSergei A. Abramov, Moulay A. Barkatou. issac 1998: 124-131 [doi]
- Hypergeometric Solutions of First-Order Linear Difference Systems with Rational-Function CoefficientsSergei A. Abramov, Marko Petkovsek, Anna A. Ryabenko. casc 2015: 1-14 [doi]
- Laurent, Rational, and Hypergeometric Solutions of Linear q-Difference Systems of Arbitrary Order with Polynomial CoefficientsSergei A. Abramov, Anna A. Ryabenko, D. E. Khmelnov. pcs, 44(2):120-130, 2018. [doi]
- Denominators of rational solutions of linear difference systems of an arbitrary orderSergei A. Abramov, D. E. Khmelnov. pcs, 38(2):84-91, 2012. [doi]
- Rational Solutions of linear Difference and ::::q::::-Difference Equations with Polynomial CoefficientsSergei A. Abramov. issac 1995: 285-289 [doi]