Citation: Zs. Marciniak et Sk. Sehgal, SUBNORMAL SUBGROUPS OF GROUP-RING UNITS, Proceedings of the American Mathematical Society, 126(2), 1998, pp. 343-348
Citation: Zs. Marciniak et Sk. Sehgal, CONSTRUCTING FREE SUBGROUPS OF INTEGRAL GROUP-RING UNITS, Proceedings of the American Mathematical Society, 125(4), 1997, pp. 1005-1009