@article{IM2_1999_63_2_a4,
     author = {L. I. Sazonov},
     title = {$C^*$-algebras of bisingular operators with discontinuous coefficients},
     journal = {Izvestiya. Mathematics},
     pages = {367--399},
     year = {1999},
     volume = {63},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1999_63_2_a4/}
}