James H. Bramble, Tzanio V. Kolev, Joseph E. Pasciak:
A least-squares approximation method for the time-harmonic Maxwell equations. J. Num. Math. 13(4): 237-263 (2005)
A least-squares approximation method for the time-harmonic Maxwell equations. J. Num. Math. 13(4): 237-263 (2005)
