@article{ZAA_2000__19_4_49054,
     author = {Long, N.T. and Nghia, N.H.},
     title = {On a system of functional equations in a multi-dimensional domain.},
     journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
     pages = {1017--1034},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2000},
     zbl = {0979.39016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZAA_2000__19_4_49054/}
}