@article{IM_1982__67_142903,
     author = {S.V. Chmutov},
     title = {Monodromy {Groups} of {Critical} {Point} of {Functions.}},
     journal = {Inventiones mathematicae},
     pages = {123--132},
     publisher = {mathdoc},
     volume = {67},
     year = {1982},
     zbl = {0468.57024},
     url = {http://geodesic.mathdoc.fr/item/IM_1982__67_142903/}
}