“On a $(\omega ,c)-$periodic Solution for an Impulsive System of Second-Order Differential Equation With Product of Two Nonlinear Functions and Mixed Maxima: On a $(\omega ,c)-$periodic Solution for an Impulsive System of Second-Order Differential Equation”. 2025. Uzbekistan Journal of Mathematics and Computer Science 1 (1): 20-32. https://doi.org/10.56143/ujmcs.v1i1.7.