@article{AM2_1986__31_137153,
     author = {Zbigniew Gajda},
     title = {Christensen measurable solutions of generalized {Cauchy} functional equations.},
     journal = {Aequationes mathematicae},
     pages = {147--158},
     publisher = {mathdoc},
     volume = {31},
     year = {1986},
     zbl = {0634.39012},
     url = {http://geodesic.mathdoc.fr/item/AM2_1986__31_137153/}
}