TY - JOUR AU - A. V. Babin TI - Expression of $A^{-1}$ in terms of iterates of an unbounded self-adjoint operator $A$ on the analytic vectors JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1977 SP - 3 EP - 5 VL - 11 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1977_11_4_a0/ LA - ru ID - FAA_1977_11_4_a0 ER -