@article{VTAMU_2018_23_124_a21,
     author = {V. I. Uskov},
     title = {Asymptotic solution of first-order equation with small parameter under the derivative with perturbed operator},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {784--796},
     publisher = {mathdoc},
     volume = {23},
     number = {124},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2018_23_124_a21/}
}