Yeghiazaryan, Ed.V. “ASYMPTOTIC ESTIMATES OF THE NUMBER OF SOLUTIONS OF SYSTEMS OF EQUATIONS WITH DETERMINABLE PARTIAL BOOLEAN FUNCTIONS”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 53, no. 2 (249), Aug. 2019, pp. 127-31, doi:10.46991/PYSU:A/2019.53.2.127.