@article{STO_1982__6_1_38865,
     author = {Bruce R. Ebanks},
     title = {Kurepa's functional equation on semigroups.},
     journal = {Stochastica},
     pages = {39},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1982},
     mrnumber = {MR0694203},
     zbl = {0524.39010},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/STO_1982__6_1_38865/}
}