@article{DE_1987_23_11_a26,
     author = {A. T. Taldykin and E. A. Isakova},
     title = {Approximations and expansions of solutions of linear boundary value problems with parameters},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2014--2017},
     publisher = {mathdoc},
     volume = {23},
     number = {11},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_11_a26/}
}