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Bibliography

[1]

E. Artin, Zur Arithmetik hyperkomplexer Zahlen, Abh. Math. Sem. Univ. Hamburg 5 (1928), 261-289.

[2]

K. Asano, Theory of rings and ideals, Tokyo, 1949.

[2']

-, Arithmetische Idealtheorie in nicht kommutative Ringen, Japan. J. Math. 16 (1939), 1-36. MR 0000601 (1:100d)

[3]

M. Auslander and O. Goldman, Maximal orders, Trans. Amer. Math. Soc.97 (1960), 1-24. MR 0117252 (22:8034)

[4]

-, The Brauer group of a commutative ring, Trans. Amer. Math. Soc. 97 (1960), 367-409. MR 0121392 (22:12130)

[5]

H. Cartan and S. Eilenberg, Homological algebra, Princeton Univ. Press, Princeton, N.J., 1957. MR 1731415 (2000h:18022)

[6]

M. Deuring, Algebren, Springer, Berlin, 1935. MR 0228526 (37:4106)

[7]

S. Eilenberg, Homological dimension and syzygies, Ann. of Math. (2) 64 (1956), 328-336. MR 0082489 (18:558c)

[8]

M. Harada, Note on raising idempotents, J. Inst. Polytech. Osaka City Univ. Ser. A 10 (1959), 63-65. MR 0116035 (22:6830)

[9]

-, Hereditary orders in quaternions, J. Inst. Polytech. Osaka City Univ., (to appear).

[10]

K. Henke, Zur arithmetischen Idealtheorie hyperkomplexer Zahlen, Abh. Math. Sem. Univ. Hamburg 11 (1935), 311-332.

[11]

P. Samuel and O. Zarisky, Commutative algebra. II, Princeton, N. J., 1960.