Scherzer O. Parameter indentification from boundary measurements in a parabolic equation arising from geophysics / O.Scherzer,H.W.Engl,R.S.Anderssen, 1990. - 40 p. - Текст : непосредственный.
Engl H.W. role of linear functionals in improving convergence rates for parameter identification via Tikhonov regularization / H.W.Engl,R.S.Anderssen, 1990. - 11 p. - Текст : непосредственный.