Skandapurana 5.4.20

5.4.20

so'haṃ śaraṇamāpannaḥ śāpamuktyai dvijottamāḥ.
viśvāmitraṃ jaganmitraṃ nānyā me'sti gatiḥ parā..6.4.20..

As such, I have come seeking refuge with Viśvāmitra, the friend of the world, for release from the curse, O best of the twice-born; / I have no other supreme refuge.”