@article{SM_1981_38_3_a0,
     author = {V. G. Danilov and Le Vu An'},
     title = {On {Fourier} integral operators},
     journal = {Sbornik. Mathematics},
     pages = {293--334},
     publisher = {mathdoc},
     volume = {38},
     number = {3},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1981_38_3_a0/}
}