(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.