@article{DE_1985_21_10_a33,
     author = {M. G. Dzhavadov and M. M. Sabzaliev},
     title = {Some problems in the theory of partial differential equations containing a small parameter multiplying the highest derivatives},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1826--1828},
     publisher = {mathdoc},
     volume = {21},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a33/}
}