@article{INTD_1987_31_a1,
     author = {G. A. Voropaeva and V. L. Dubnov and V. P. Maslov},
     title = {Asymptotic {Lagrangians} of a manifold and the complex {WKB} method},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya},
     pages = {93--192},
     publisher = {mathdoc},
     volume = {31},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTD_1987_31_a1/}
}