TY - JOUR AU - W. Timmerman AU - G. Lassner TI - On the essential self-adjointness of various algebras of field operators JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1973 SP - 311 EP - 314 VL - 15 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_1973_15_3_a2/ LA - ru ID - TMF_1973_15_3_a2 ER -