Optika Konicheskih Sechenij Populyarnye Lektsii Po Matematike. Vypusk 31

V predlagaemoj knige rassmatrivayutsya opticheskie svojstva konicheskih sechenij (ellipsa, giperboly, paraboly).Kniga rasschitana na uchaschihsya starshih klassov i mozhet byt ispolzovana dlya raboty v shkolnyh matematicheskih kruzhkah.V osnovu knigi polozheny lektsii, prochitannye avtorom v shkolnom matematicheskom kruzhke pri Stalingradskom pedagogicheskom institute. This book, "Optika konicheskih sechenij Populyarnye lektsii po matematike. Vypusk 31", by A.G. Dorfman, is a replication of a book originally published before 1959. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.