SPITSIN, V.; SPITSINA, L. .; GASANOV, M. .; LEONOVA, V. . Efficiency as a Quantile Process: Functional Profiles and Panel Heterogeneity in Firm Data. Contemporary Mathematics , [S. l.], v. 7, n. 5, 2026. DOI: 10.37256/cm.75202610170. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/10170. Acesso em: 14 nov. 2026.