@article{DE_1998_34_12_a16,
     author = {N. N. Ivanyuk},
     title = {On the asymptotic behavior of solutions of systems of linear differential equations with an irregular singularity},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1701--1702},
     publisher = {mathdoc},
     volume = {34},
     number = {12},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_12_a16/}
}