Asymptotic behaviour of solutions of two-dimensional linear differential systems with deviating arguments
Roman Koplatadze, N. L. Partsvania, Ioannis P. Stavroulakis (2003)
Archivum Mathematicum
Similarity:
Sufficient conditions are established for the oscillation of proper solutions of the system where are locally summable functions, while and are continuous and continuously differentiable functions, respectively, and , .