@article{FAA_1992_26_4_a3,
     author = {B. A. Plamenevskii and G. V. Rozenblum},
     title = {Pseudodifferential operators with discontinuous symbols: $K$-theory and the index formula},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {45--56},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a3/}
}