On the Relation in the Rig-Veda between the Palatal and Labial Vowels (i, i, u, u) and Their Corresponding Semivowels (y, v)

A. Hjalmar Edgren
1882 Journal of the American Oriental Society  
doi:10.2307/592189 fatcat:bvktbau4frfkheul666yfeao5a