@article{MZM_2000_68_5_a14,
     author = {Yu. G. Prokhorov},
     title = {Sparseness of {Exceptional} {Quotient} {Singularities}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {786--789},
     publisher = {mathdoc},
     volume = {68},
     number = {5},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_68_5_a14/}
}