Arbieto, A. (2010). On persistently positively expansive maps. Academia Brasileira de Ciências.
Cita Chicago Style (17a ed.)Arbieto, Alexander. On Persistently Positively Expansive Maps. Academia Brasileira de Ciências, 2010.
Cita MLA (9a ed.)Arbieto, Alexander. On Persistently Positively Expansive Maps. Academia Brasileira de Ciências, 2010.
Precaución: Estas citas no son 100% exactas.