By the early twentieth century, under Russian influence, я came to be used for /ja/ (which is not a reflex of ę in Bulgarian), retaining its use for /jɐ/ but was no longer used for other purposes; this is its function today.
20世纪初期，在俄罗斯的影响下，я被用来表示/ja/（不是对应保加利亚语的ę），保持对/jɐ/的拼写但不再用于其他用法，这是其现在的用法。