Nail H. Ibragimov Nail H. Ibragimov. (瑞典)Nail H.Ibragimov著 (瑞典) Nail H. Ibragimov著 N.H. Ibragimov Ibragimov In memory of Nail H. Ibragimov Zeid, Ibrahim. 微分方程的对称性及其应用:纪念Nail H. Ibragimov