@article{DE_1983_19_10_a25,
     author = {D. G. Rakhimov and Yu. B. Rusak},
     title = {Some special cases of the use of the method of false perturbations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1813--1815},
     publisher = {mathdoc},
     volume = {19},
     number = {10},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_10_a25/}
}