@article{DAN_1981_258_5_a3,
     author = {V. Ya. Ivrii},
     title = {Asymptotics of the eigenvalues for some elliptic operators acting in bundles over a manifold with a boundary},
     journal = {Doklady Akademii Nauk},
     pages = {1045--1046},
     publisher = {mathdoc},
     volume = {258},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_5_a3/}
}