@article{ZVMMF_1992_32_5_a1,
     author = {S. I. Solov'ev},
     title = {Error of the {Bubnov{\textendash}Galerkin} method with perturbations for symmetric spectral problems with nonlinear entrance of the parameter},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {675--691},
     publisher = {mathdoc},
     volume = {32},
     number = {5},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1992_32_5_a1/}
}