@article{MZ_1972__127_171750,
     author = {Fritz Oberhettinger and Kusum L. Soni},
     title = {On {Some} {Relations} which are {Equivalent} to {Functional} {Equations} {Involving} the {Riemann} {Zeta} {Function.}},
     journal = {Mathematische Zeitschrift},
     pages = {17--34},
     publisher = {mathdoc},
     volume = {127},
     year = {1972},
     zbl = {0224.33008},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__127_171750/}
}