@article{MMO_1981_43_a3,
     author = {A. A. Laptev},
     title = {Spectral asymptotics of a~class of {Fourier} integral operators.},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {92--115},
     publisher = {mathdoc},
     volume = {43},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1981_43_a3/}
}