H. H. Qin

A quasi-reversibility regularization method for the Cauchy problem of the Helmholtz equation

T. Wei, H. W. Zhang, H. H. Qin, 2011, Int. J. Comput. Math..

Tikhonov type regularization method for the Cauchy problem of the modified Helmholtz equation

H. H. Qin, D. W. Wen, H. Qin, 2008, Appl. Math. Comput..