@article{SM_1984_49_2_a17,
     author = {A. I. Karol'},
     title = {Operator-valued pseudodifferential operators and the resolvent of a degenerate elliptic operator},
     journal = {Sbornik. Mathematics},
     pages = {553--567},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_49_2_a17/}
}