Обыкновение и обычай как источники права в кастильской правовой доктрине XIII в. (P. I.2)
In this paper were examined the concepts of uso and costumbre as they are reflected in the Siete Partidas of Alphonse the Sage of Castile (1252 – 1284). Author analyses the problems of its introduction, principal qualities and procedure of the abrogation of a custom. The special consideration is given to the organic connections existing between the law of medieval Castile and the doctrine of European ius commune.