TY - JOUR AU - V. P. Maslov AU - O. Yu. Shvedov TI - On some identities for the asymptotic behaviors of solutions of JO - Doklady Akademii Nauk PY - 1997 SP - 167 EP - 171 VL - 352 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1997_352_2_a4/ LA - ru ID - DAN_1997_352_2_a4 ER -