@article{DE_1967_3_3_a10,
     author = {\`E. I. Grudo},
     title = {An elliptic system of partial differential equations with a singular point at the origin},
     journal = {Differencialʹnye uravneni\^a},
     pages = {485--495},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_3_a10/}
}