Srimad Bhagavatam Canto 10, Chapter 26, Text 17

 SB 10.26.17

pragayam vasudevasya
 kvacij jatas tavatmajah
vasudeva iti sriman
 abhijñah sampracaksate
 
Translation: 
 
For many reasons, this beautiful son of yours sometimes appeared previously as the son of Vasudeva. Therefore, those who are learned sometimes call this child Vasudeva.
Srimad Bhagavatam Canto 10, Chapter 26, Text 16
Srimad Bhagavatam Canto 10, Chapter 26, Text 18