@article{FPM_2000_6_3_a12,
     author = {T. P. Lukashenko and T. V. Rodionov},
     title = {On convergence of generalized systems similar to orthogonal ones},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {813--829},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2000_6_3_a12/}
}