%0 Journal Article %T The conjugate of a singular functional differential operator %A L. M. Hall %J International Journal of Mathematics and Mathematical Sciences %D 1978 %I Hindawi Publishing Corporation %R 10.1155/s0161171278000058 %X An explicit representation of the conjugate of a singular functional differential operator is given. Some theorems and their corollaries are proven. %K singular differential operator %K complex functional differential systems %K representation theorems. %U http://dx.doi.org/10.1155/S0161171278000058