TY - JOUR AU - O. M. Kiselev TI - Basic Functions Associated with a Two-Dimensional Dirac System JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1998 SP - 72 EP - 76 VL - 32 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1998_32_1_a9/ LA - ru ID - FAA_1998_32_1_a9 ER -