Shiva Purana
तस्माल्लब्धं मद्गुरुणा व्यासेनामिततेजसा ॥ तस्माल्लब्धमिदम्पुण्यम्मयापि मुनिपुंगवाः ॥ ५४॥
O leading sages, from him this was obtained by my preceptor Vyāsa of immeasurable splendour. This holy lore was obtained from him by me also.
english translation
tasmAllabdhaM madguruNA vyAsenAmitatejasA ॥ tasmAllabdhamidampuNyammayApi munipuMgavAH ॥ 54॥
hk transliteration by Sanscript