@article{DE_1978_14_5_a26,
     author = {V. N. Chernomaz},
     title = {On the problem of the homotopy classification of elliptic systems with eight variables},
     journal = {Differencialʹnye uravneni\^a},
     pages = {943--946},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_5_a26/}
}