Reproduction of material from the journal in any form requires written permission of the publisher.
Teachers, students and researchers can individually use the materials on Physics-Uspekhi website for noncommercial use in a teaching or research activities.
Оригинал: Халфин Л А «Квантовый эффект Зенона» УФН 160 (10) 185–188 (1990); DOI: 10.3367/UFNr.0160.199010j.0185