• [1] W. G. Leavitt, Finite dimensional modules, Anais da Academia Brasileira de Ciências, Rio de Janeiro, vol. 27 (1955) pp. 241-250. MR 0074397 (17:578a)
• [2] Oystein Ore, Linear equations in non-commutative fields, Ann. of Math. vol. 32 (1931) pp. 463-477. MR 1503010
• [3] A. Malcev, On the immersion of an algebraic ring into a field, Math. Ann. vol. 113 (1937) pp. 686-691. MR 1513116
• [4] J. C. Shepherdson, Inverses and zero divisors in matrix rings, Proc. London Math. Soc. (3) vol. 1 (1941) pp. 71-85. MR 0041831 (13:7i)

Bibliography

[1]

W. G. Leavitt, Finite dimensional modules, Anais da Academia Brasileira de Ciências, Rio de Janeiro, vol. 27 (1955) pp. 241-250. MR 0074397 (17:578a)

[2]

Oystein Ore, Linear equations in non-commutative fields, Ann. of Math. vol. 32 (1931) pp. 463-477. MR 1503010

[3]

A. Malcev, On the immersion of an algebraic ring into a field, Math. Ann. vol. 113 (1937) pp. 686-691. MR 1513116

[4]

J. C. Shepherdson, Inverses and zero divisors in matrix rings, Proc. London Math. Soc. (3) vol. 1 (1941) pp. 71-85. MR 0041831 (13:7i)