TY - JOUR AU - D. V. Prokhorenko TI - $ABC$ formula and $R$-operation for quantum processes with unstable states JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2006 SP - 183 EP - 201 VL - 149 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2006_149_2_a2/ LA - ru ID - TMF_2006_149_2_a2 ER -