"There is also another, third, person with a similar name: in 901, a Khazar king K.SÂ b. B.LJÂN attacked Darband, and Minorsky wished to connect this person with the rank or name of our general."

Lásd: V. Minorsky, A History of Sharvān and Darband in the 10th–11th centuries, Cambridge 1958, p. 42 (17.33), p. 106 n. 1; V.F. Minorskij, Istorija Širvana i Derbenda X–XI vekov, Moscow 1963, p. 65 (19.32), p. 143 n. 92; cf. Golden, Khazar Studies, Vol. I, pp. 171–3, 199. O. Pritsak, “The Khazar Kingdom’s Conversion to Judaism,” Harvard Ukranian Studies 2.3 (1978), pp. 261–281, pp. 261, 272, identified B.LJAN, Bluč‘an, Bulan; criticism: C. Zuckerman, “On the Date of the Khazars’ Conversion to Judaism and the Chronology of the Kings of the Rus’ Oleg and Igor,” Revue des Etudes Byzantines 53 (1995), 237–270, p. 251 n. 51. For my own explanation of the name of Bulan, see D. Shapira, “Two Names of the First Khazar Jewish Beg,” Archivum Eurasiae Medii Aevi, Vol. 10 (1998–2000), pp. 231–240.