@article{DE_1992_28_10_a0,
     author = {E. A. Abildaev and K. A. Kasymov},
     title = {Asymptotic estimates for solutions of singularly perturbed boundary value problems with initial jumps for linear differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1659--1668},
     publisher = {mathdoc},
     volume = {28},
     number = {10},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_10_a0/}
}