@article{IVM_1977_8_a3,
     author = {L. V. Zilbergleit},
     title = {Maslov's canonical operator in the real-analytic case},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {31--40},
     year = {1977},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_8_a3/}
}