Fayazov, K.S. and Khudayberganov, Y.K. 2025. BOUNDARY VALUE PROBLEMS FOR MIXED-TYPE DIFFERENTIAL EQUATIONS OF THE FIRST AND SECOND ORDER WITH RESPECT TO THE TIME VARIABLE. «ACTA NUUz». 2, 2.2 (Nov. 2025), 40–49. DOI:https://doi.org/10.69617/nuuz.v2i2.2.9923.