@article{ZVMMF_1990_30_3_a4,
     author = {D. S. Dzhumabaev},
     title = {Approximation of the bounded solution of an ordinary linear differential equation by solutions of two-point boundary-value problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {388--404},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_3_a4/}
}