TY - JOUR AU - V. A. Iskovskikh TI - A simple proof of the irrationality of a three-dimensional quartic JO - Matematičeskie zametki PY - 1999 SP - 667 EP - 673 VL - 65 IS - 5 UR - http://geodesic.mathdoc.fr/item/MZM_1999_65_5_a3/ LA - ru ID - MZM_1999_65_5_a3 ER -