✦ LIBER ✦

Plane Fields of Force Whose Trajectories are Invariant Under a Projective Group

✍ Scribed by George Wilber Hartwell

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Estimates of maximal distances between s

✍ F. L. Bakharev 📂 Article 📅 2007 🏛 Springer US 🌐 English ⚖ 161 KB

On the Invariants of a Quadrangle Under

✍ W. A. Granville 📂 Article 📅 1901 🏛 John Hopkins University Press 🌐 English ⚖ 218 KB