Natyashastra
तथा चार्या प्रयुक्तायामुमा तुष्टा भवेदिह । महाचार्या प्रयुक्तायां तुष्टो भूतगणो भवेत् ॥ ५२॥
"Similarly, when the lesser teacher (Acharya) is invoked, Uma (Parvati) is pleased. When the great teacher (Mahacharya) is invoked, the host of spirits (Bhutaganas) becomes pleased."
english translation
tathA cAryA prayuktAyAmumA tuSTA bhavediha । mahAcAryA prayuktAyAM tuSTo bhUtagaNo bhavet ॥ 52॥
hk transliteration by Sanscript