Bayzhumanov, A.A. 2023. OPTIMAL METHOD FOR SOLVING SPECIAL CLASSES OF SYSTEMS OF NONLINEAR EQUATIONS OF THE SECOND DEGREE. Journal of Mathematics, Mechanics and Computer Science. 118, 2 (Jun. 2023), 11–20. DOI:https://doi.org/10.26577/JMMCS.2023.v118.i2.02.