Shiva Purana
एते दशावतारा हि शंकरस्य महात्मनः ॥ नानासुखप्रदा नित्यं सेवतां निर्विकारतः ॥ १३॥
These ten incarnations of Śiva the great soul bestow different kinds of pleasures on those who always resort to them without aberrations.
english translation
ete dazAvatArA hi zaMkarasya mahAtmanaH ॥ nAnAsukhapradA nityaM sevatAM nirvikArataH ॥ 13॥
hk transliteration by Sanscript