Brahma Sutras
ॐ अभिव्यक्तेरित्याश्मरथ्यः ॐ ॥ १-२-२९॥
According to Asmarathya, it is from the point of view of manifestation (that God is referred to as spatially limited).
english translation
OM abhivyakterityAzmarathyaH OM ॥ 1-2-29॥
hk transliteration by Sanscript