Geodesic
Discrete convergence and finite-dimensional approximation of regularizing algorithms
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 19 (1979) no. 1, pp. 11-21

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For the linear operator equation of the 1st kind $Au=f$, the convergence of the general scheme of finite-dimensional approximation (discretization) of the Tikhonov-regularized family of approximate solutions is examined, along with the application of this scheme to projection and quadrative methods. 
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     author = {V. V. Vasin},
     title = {Discrete convergence and finite-dimensional approximation of regularizing algorithms},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {11--21},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1979_19_1_a1/}
}
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V. V. Vasin. Discrete convergence and finite-dimensional approximation of regularizing algorithms. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 19 (1979) no. 1, pp. 11-21. http://geodesic.mathdoc.fr/item/ZVMMF_1979_19_1_a1/