Przeworska-Rolewicz, Danuta Equations with transformed argument : an algebraic approach / [by] Danuta Przeworska-Rolewicz. - Amsterdam [a. o.] : Elsevier Scientific Pub. Co. [a. o.], 1973. ISBN: 0444441783 (American Elsevier) Subjects--Index Terms: მათემატიკა ალგებრა