@article{SEMR_2004_1_a7,
     author = {A. N. Rybalov},
     title = {Relativizations of the $P=NP$ problem over the complex number field},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {91--98},
     publisher = {mathdoc},
     volume = {1},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2004_1_a7/}
}