TY - JOUR AU - L. N. Gurvits TI - A simple proof of Goka's conjecture JO - Differencialʹnye uravneniâ PY - 1989 SP - 1272 VL - 25 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_7_a25/ LA - ru ID - DE_1989_25_7_a25 ER -