Biography
Duncan MacLaren Young Sommerville, FRSE FRAS, was a Scottish mathematician and astronomer.
*-- Wikipedia*
*-- Wikipedia*
Books by Duncan M'Laren Young Sommerville
Bibliography of non-Euclidean geometry
Analytical conics
The development of the ideas o
The development of the ideas of space and time
The elements of non-Euclidean geometry
Bibliography of non-Euclidean geometry, including the theory of parallels, the foundations of geometry, and space of n dimensions
Bibliography of works of Dr. G
Bibliography of works of Dr. George Bruce Halsted, relating to non-Euclidean geometry and hyperspace