@article{ZNSL_1989_172_a2,
     author = {M. V. Karasev},
     title = {Connections on {Lagrangian} submanifolds and some problems of the quasiclassical {approximation.~I}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {41--54},
     year = {1989},
     volume = {172},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1989_172_a2/}
}