@article{TM_2004_246_a5,
     author = {A. S. Vishik},
     title = {Symmetric {Operations}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {92--105},
     publisher = {mathdoc},
     volume = {246},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2004_246_a5/}
}