@article{ZNSL_2002_291_a6,
     author = {A. I. Vinogradov},
     title = {The reflection operator and canonical bases},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {109--130},
     publisher = {mathdoc},
     volume = {291},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_291_a6/}
}