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@article{AM2_1981__22_136856, author = {J. Lawrence}, title = {The cocycle equation in division rings.}, journal = {Aequationes mathematicae}, pages = {70--72}, publisher = {mathdoc}, volume = {22}, year = {1981}, zbl = {0462.39008}, url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136856/} }
J. Lawrence. The cocycle equation in division rings.. Aequationes mathematicae, Tome 22 (1981), pp. 70-72. http://geodesic.mathdoc.fr/item/AM2_1981__22_136856/