TY - JOUR AU - A. N. Karpov TI - On the representation of numbers by integral isotropic quadratic forms JO - Zapiski Nauchnykh Seminarov POMI PY - 1986 SP - 66 EP - 67 VL - 151 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1986_151_a6/ LA - ru ID - ZNSL_1986_151_a6 ER -