Arthashastra
त्रिर् आघुषितम् अव्याहतं क्रेता क्रेतुं लभेत ॥
If, on crying aloud thrice „Who will purchase this at such and such a price‟? no opposition is offered, the purchaser may proceed to purchase the holding in question.
english translation
trir AghuSitam avyAhataM kretA kretuM labheta ॥
hk transliteration by Sanscript