相关链接：http://epubs.siam.org/sisc/resource/1/sjoce3/v2/i4/p474_s1?isAuthorized=no
作者：D. P. O'LEARY AND J. A. SIMMONS
标题：A bidiagonalization-regularization procedure for large scale discretizations of ill-posed problems
出处：SIAM J. Sci. and Stat. Comput. 2, pp. 474-489