A Russian church Slavonic kanonnik (1331-1332) : a comparative textual and structural study including an analysis of the Russian computus. (Scaliger 38B, Leyden University Library) / door Antonius Henricus van den Baar
. – The Hague ; Paris : Mouton, 1968
. – 308 p., [2] c. di tav. di cui 1 ripieg. ; 24 cm.