@article{LKN_2015_a0,
     author = {M. O. Katanaev},
     title = {Geometrical methods in mathematical physics. {Applications} in quantum mechanics. {Part~2}},
     journal = {Lekcionnye kursy NOC},
     pages = {3--184},
     publisher = {mathdoc},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/LKN_2015_a0/}
}