TY - JOUR AU - V. P. Maslov AU - O. Yu. Shvedov TI - Approximate nonsymmetric solutions of many-particle equations and some identities for the density matrix JO - Matematičeskie zametki PY - 1996 SP - 463 EP - 467 VL - 60 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a19/ LA - ru ID - MZM_1996_60_3_a19 ER -