Lobachevskian geometry
Smogorzhevsky, A. S
Lobachevskian geometry A. S. Smogorzhevsky - Moscow Mir 1982 - 71 p fig 20 cm - Little mathematics library .
Contine bibliografie
Lobachevskian geometry A. S. Smogorzhevsky - Moscow Mir 1982 - 71 p fig 20 cm - Little mathematics library .
Contine bibliografie