@article{GDZPPN002032945,
title = {The cocycle equation in division rings.},
journal = {Aequationes mathematicae},
volume = {22},
year = {1981},
pages = {70-72},
zbl = {0462.39008},
url = {http://dml.mathdoc.fr/item/GDZPPN002032945}
}
Lawrence, J. The cocycle equation in division rings.. Aequationes mathematicae, Tome 22 (1981) pp. 70-72. http://gdmltest.u-ga.fr/item/GDZPPN002032945/