Brihat Parashara Hora Shastra
सर्वज्ञोऽसि महर्षे त्वं कृपया दीनवत्सल । दशाः कतिविधाः सन्ति तन्मे कथय तत्त्वतः ॥ १॥
Maitreya said. O Venerable Maharishi Parashar! You are omniscient. There is no subject, with which you are not conversant. Therefore now please favour me with guidance about the different kinds of Dashas (periods) of the various Grahas.
english translation
sarvajJo'si maharSe tvaM kRpayA dInavatsala । dazAH katividhAH santi tanme kathaya tattvataH ॥ 1॥
hk transliteration by Sanscript