Клиническая стоматология. Том 25. 2022. С. 20-25
In this paper we consider an open market model, where the supply and demand functions are restored by their price elasticities. We obtained the conditions on the stability and non-uniqueness of equilibrium in the model as the corollaries of the coincidence point theorems for a covering and Lipschitz continuous mappings. © 2022 IEEE.