瑜伽師地論分門記 1.54

1.54

分十八中第九明四大河成立相分二　一明出處分三。一明其量。二明功德。三明端嚴　二明所出分二。一標。二列名分四如論。

Within the eighteen parts, the ninth, explaining the characteristics of the formation of the four great rivers, has two parts: 1. explaining the place of origin, with three parts: (1) explaining its measurements; (2) explaining its qualities; (3) explaining its magnificent adornment; 2. explaining what issues forth, with two parts: (1) presentation; (2) listing names, with four parts as in the treatise.