諸經要集 3.24

3.24

又阿含經云。有四種人應起塔。一如來。二辟支佛。三聲聞。四輪王。

Furthermore, the Āgama states: There are four kinds of persons for whom stupas should be erected: first, the Tathāgata; second, a pratyekabuddha; third, a śrāvaka; fourth, a cakravartin.