The Cult of Boris and Gleb: Remnant of a Varangian Tradition? Edward S. Reisman Russian Review, Vol. 37, No. 2. (Apr., 1978), pp. 141-157. Stable URL: http://links.jstor.org/sici?sici=0036-0341%28197804%2937%3A2%3C141%3ATCOBAG%3E2.0.CO%3B2-5…
