“John MEYENDORFF, Imperial unity and christian divisions. The Church 450-680 AD, St. Vladimir’s Seminary Press, Crestwood, New York, 1989, 402 pp., 22,5 x 15”., Scripta Theologica, vol. 23, no. 1, p. 389, Feb. 2018, doi: 10.15581/006.23.17621.