海量图书期刊资源，随时随地畅享阅读乐趣
Conical wing of maximum lift-drag ratio in a supersonic gas flowV. I. Lapygin; P. V. Tret'yakov · 1986
The shapes of bodies with maximum lift-to-drag ratio in supersonic flowV.I. Lapygin; G.Ye. Yakunina · 2009