Kobets V. RESEARCH NON-LINEARY DEMAND FUNCTION AND EQUILIBRIUM INDICATORS OF SUPPLY CHAIN UNDER ІNFORMATION ASYMMETRY BY THE MEANS OF THE PACKAGE SYMBOLIC TRANSFORMATION MAPLE. ITE [nternet]. 2011 Nov. 24 [cited 2026 Aug. 5];(10):088-93. vailable from: https://ite.kspu.edu/index.php/ite/article/view/420