@article{VMUMM_1990_1_a15,
     author = {R. P. Kuzmina},
     title = {Representation of a solution of singularly perturbed equations in the form of a converging series},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {68--73},
     publisher = {mathdoc},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_1_a15/}
}