[1] Anderson W N Jr, Trapp G E. Shorted operators II. SIAM J Appl Math, 1975, 28: 60-71

[2] Ara P. Extensions of exchange rings. J Algebra, 1997, 197: 409-423

[3] Ara P, Pedersen G K, Perera F. An infinite analogue of rings with stable range one. J Algebra, 2000, 230:
608-655

[4] Camillo V P, Yu H P. Stable range one for rings with many idempotents. Trans Amer Math Soc, 1995,
347: 3141-3144

[5] Chen H. Exchange rings with artinian primitive factors. Algebra Represent Theory, 1999, 2: 201-207

[6] Chen H. Exchange rings satisfying unit 1-stable range. Kyushu J Math, 2000, 54: 1-6

[7] Chen H. Exchange rings having stable range one. Internat J Math & Math Science, 2001, 25: 763-770

[8] Chen H. Regular rings with the finite stable range. Comm Algebra, 2001, 29: 157-166

[9] Chen H, Li F. Exchange rings having ideal-stable range one. Science in China(Series A), 2001, 44: 580-586

[10] Estes D R, Guralnick R M. A stable range for quadratic forms over commutative rings. J Pure Appl
Algebra, 1997, 120: 255-280

[11] Menal P, Moncasi J. K1 of von Neumann regular rings. J Pure Appl Algebra, 1984, 33: 295-312

[12] Yu H P. Stable range one for exchange rings. J Pure Appl Algebra, 1995, 98: 105-109