@article{VUU_2019_29_3_a3,
     author = {K. G. Kozhobekov and D. A. Tursunov},
     title = {Asymptotics of the solution to the boundary-value problem when the limit equation has an irregular singular point},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {332--340},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2019_29_3_a3/}
}