TY - JOUR AU - V. P. Maslov AU - A. E. Ruuge TI - On a symmetric representation of the equation for quantum chaos JO - Matematičeskie zametki PY - 1997 SP - 940 EP - 941 VL - 62 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1997_62_6_a16/ LA - ru ID - MZM_1997_62_6_a16 ER -