TY - JOUR AU - V. N. Kokarev TI - On the equation of an~improper convex affine sphere: JO - Sbornik. Mathematics PY - 2003 SP - 1647 EP - 1663 VL - 194 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2003_194_11_a2/ LA - en ID - SM_2003_194_11_a2 ER -