PageHeader : Funkcialaj Ekvacioj, 14 (1971), 79-87 Title : On a Certain Hypergeometric Differential System AuthorInfo : By Harold EXTON AuthorInfo : (University of Salford) section : 1. Introduction. section : 2. Certain hypergeometric functions in four variables. section : 3. Relations between $K_{11}$ and $K_{12}$ and the analytical continuation of $p_{D}^{(4)}$ . section : 4. The integration of the partial differential system associated with $F_{D}^{(4)}$ by the use of Pochhammer integrals. section : 5. Extension to n variables. section : Acknowledgment section : References