On the origin of high Doppler velocity wings in the spectra of O-rich AGB starsDo Thi Hoai, Pham Tuyet Nhung, Pham Tuan-Anh, Pierre Darriulat, Pham Ngoc Diep, Nguyen Thi Phuong and Tran Thi ThaiEPJ Web Conf., 240 (2020) 05001DOI: https://doi.org/10.1051/epjconf/202024005001