TY - JOUR AU - M. D. Kovalenko TI - Lagrange expansions and nontrivial representations of zero over JO - Doklady Akademii Nauk PY - 1997 SP - 480 EP - 482 VL - 352 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1997_352_4_a12/ LA - ru ID - DAN_1997_352_4_a12 ER -