Solomko, M., Khomiuk, N., Ivashchuk, Y., Nazaruk, V., Reinska, V., Zubyk, L., & Popova, A. (2020). Implementation of the method of image transformations for minimizing the Sheffer functions. Eastern-European Journal of Enterprise Technologies, 5(4 (107), 19–34. https://doi.org/10.15587/1729-4061.2020.214899