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@article{DAN_1962_142_5_a0, author = {M. S. Agranovich}, title = {On the problem of the index of elliptic operators}, journal = {Doklady Akademii Nauk}, pages = {983--985}, publisher = {mathdoc}, volume = {142}, number = {5}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a0/} }
M. S. Agranovich. On the problem of the index of elliptic operators. Doklady Akademii Nauk, Tome 142 (1962) no. 5, pp. 983-985. http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a0/