The Introduction et Allegro IMSLP page is a primary resource for performers and scholars, offering several historical and practical editions:
For modern performances, many professional ensembles refer to the Henle Urtext Edition , which corrects errors found in the early Durand plates. Introduction et allegro, M.46 (Ravel, Maurice) - IMSLP imslp ravel introduction and allegro
The 1906 First Edition published by A. Durand & Fils is available, providing the original orchestration. The Introduction et Allegro IMSLP page is a