Martindale, Wallace S. “Prime Rings Satisfying a Generalized Polynomial Identity”. Journal of Algebra, vol. 12, no. 4, 1969, pp. 576-84, https://doi.org/10.1016/0021-8693(69)90029-5.
Martindale, W. S. (1969). Prime rings satisfying a generalized polynomial identity. Journal of Algebra, 12(4), 576-584. https://doi.org/10.1016/0021-8693(69)90029-5
Martindale WS. Prime rings satisfying a generalized polynomial identity. Journal of Algebra. 1969;12(4):576-84.