@article{VMP_2007_8_1_a3,
     author = {A. V. Bayev},
     title = {Application of the {Lagrange} principle in the problem of optimal inversion of linear operators in the case of sourcewise representability of the exact solutions to operator equations},
     journal = {Numerical methods and programming},
     pages = {20--28},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2007_8_1_a3/}
}