Geodesic
On some algorithms for solving ill-posed extremal problems
Sbornik. Mathematics, Tome 57 (1987) no. 1, pp. 229-242

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Variational regularizing algorithms are presented and justified for solving ill-posed extremal problems with an approximately given functional. The algorithms use “non a priori” ways of choosing the regularization parameter according to the generalized residual principle, the generalized quasisolution principle, and the generalized smoothing functional principle for extremal problems. Bibliography: 17 titles. 
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     author = {A. S. Leonov},
     title = {On some algorithms for solving ill-posed extremal problems},
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     volume = {57},
     number = {1},
     year = {1987},
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     url = {http://geodesic.mathdoc.fr/item/SM_1987_57_1_a14/}
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A. S. Leonov. On some algorithms for solving ill-posed extremal problems. Sbornik. Mathematics, Tome 57 (1987) no. 1, pp. 229-242. http://geodesic.mathdoc.fr/item/SM_1987_57_1_a14/