@article{MAT_1972_16_2_a3,
     author = {L. V. H\"ormander},
     title = {Fourier integral {operators.~I}},
     journal = {Matematika},
     pages = {67--136},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1972_16_2_a3/}
}