@article{ZNSL_1981_105_a2,
     author = {D. Yu. Grigor'ev},
     title = {On the complexity of the {\textquotedblleft}wild{\textquotedblright} matrix problems and of the isomorphism of algebras and of graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {10--17},
     year = {1981},
     volume = {105},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_105_a2/}
}