TY - BOOK ID - 126979388 TI - Non-euclidean geometry: : a critical and historical study of its developments AU - Bonola, Roberto AU - Enriques, Federigo AU - Carslaw, Horatio Scott AU - Bolyai, John AU - Lobachevsky, Nikolai Ivanovich PY - 1955 PB - New York (N.Y.): Dover, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:126979388 AB - ER -