NguyenT.H., HaV.T.N. and YenT.X. 2022. Admissible integral manifolds for partial neutral functional-differential equations. Ukrains’kyi Matematychnyi Zhurnal. 74, 10 (Nov. 2022), 1364 - 1387. DOI:https://doi.org/10.37863/umzh.v74i10.6257.