Srimad Bhagavatam Canto 12, Chapter 06, Text 57

SB 12.6.57

sakalyas tat-sutah svam tu
 pañcadha vyasya samhitam
vatsya-mudgala-saliya-
 gokhalya-sisiresv adhat
 
Translation: 
 
The son of Mandukeya, named Sakalya, divided his own collection into five, entrusting one subdivision each to Vatsya, Mudgala, Saliya, Gokhalya and Sisira.
Srimad Bhagavatam Canto 12, Chapter 06, Text 54-56
Srimad Bhagavatam Canto 12, Chapter 06, Text 58