@article{DE_2006_42_3_a13,
     author = {Sh. B. Khalilov},
     title = {The {Dirichlet} problem for a {Petrovskii} elliptic system of second-order equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {416--422},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_3_a13/}
}