@article{TMF_2007_150_2_a10,
     author = {N. A. Tyurin},
     title = {Universal {Maslov} class of {a~Bohr{\textendash}Sommerfeld} {Lagrangian} embedding into},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {325--337},
     year = {2007},
     volume = {150},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_150_2_a10/}
}