(1)
Kharibegashvili, S. S. .; Midodashvili, B. G. Boundary-Value Problem for a Class of Nonlinear Systems of Partial Differential Equations of Higher Orders. Ukr. Mat. Zhurn. 2022, 74 (6), 856-868. https://doi.org/10.37863/umzh.v74i6.6968.