@article{IM2_1984_23_2_a3,
     author = {M. V. Karasev and V. P. Maslov},
     title = {Pseudodifferential operators and a~canonical operator in general symplectic manifolds},
     journal = {Izvestiya. Mathematics },
     pages = {277--305},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1984_23_2_a3/}
}