Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAplanatic four-mirror system for optical telescopes with a spherical primary mirror.AuthorsPuryayev, Daniil T.; Gontcharov, Alexander V.PublicationOptical Engineering, 1998, Vol 37, Issue 8, p2334ISSN0091-3286Publication typeArticleDOI10.1117/1.602031