Redirecting you to https://www.cambridge.org/core/journals/probability-in-the-engineering-and-informational-sciences/article/further-results-on-stochastic-orderings-and-aging-classes-in-systems-with-age-replacement/B962335EFDB2F1D31E3DC5C42BAD948D/share/f75a1b6f85bd6c27b5a236fa906bb158a1785bec