TY - JOUR AU - N. K. Vereshchagin TI - The relation between $NP$ and co-$NP$ sets with respect to a~random oracle JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1993 SP - 31 EP - 39 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1993_3_a3/ LA - ru ID - IVM_1993_3_a3 ER -