@article{02163607, title = {A Massera-type criterion for almost periodic solutions of higher-order delay or advance abstract functional differential equations.}, journal = {Abstract and Applied Analysis}, volume = {2004}, year = {2004}, pages = {881-896}, doi = {10.1155/S1085337504406046}, zbl = {1081.34071}, language = {en}, url = {http://dml.mathdoc.fr/item/02163607} }
Van Minh, Nguyen; Minh, Ha Binh. A Massera-type criterion for almost periodic solutions of higher-order delay or advance abstract functional differential equations.. Abstract and Applied Analysis, Tome 2004 (2004) pp. 881-896. doi : 10.1155/S1085337504406046. http://gdmltest.u-ga.fr/item/02163607/