Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1997_354_3_a6, author = {T. N. Syrennaya}, title = {The {Dirichlet} problem in a ball for a nonstrongly elliptic system}, journal = {Doklady Akademii Nauk}, pages = {313--315}, publisher = {mathdoc}, volume = {354}, number = {3}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1997_354_3_a6/} }
T. N. Syrennaya. The Dirichlet problem in a ball for a nonstrongly elliptic system. Doklady Akademii Nauk, Tome 354 (1997) no. 3, pp. 313-315. http://geodesic.mathdoc.fr/item/DAN_1997_354_3_a6/