Revākhaṇḍa ascribed to the Vāyupurāṇa (RKV) 192.20

192.20

gandhamādanamāsādya kurudhvaṃ vacanaṃ mama /
naranārāyaṇau tatra tapodīkṣānvitau dvijau //

go to Gandhamādana and carry out my command! / Nara and Nārāyaṇa are there, two Brahmins initiated into asceticism;