(1)
Domoshnitsky, A.; Mizgireva, I. .; Raichik, V. . Semi-Nonoscillation Intervals and Sign-Constancy of Green’s Functions of Two-Point Impulsive Boundary-Value Problems. Ukr. Mat. Zhurn. 2021, 73 (7), 887-901. https://doi.org/10.37863/umzh.v73i7.473.