Cita APA (7a ed.)
Shashkin, I. A. Fixed Points. American Mathematical Society.
Cita estilo Chicago (17a ed.)
Shashkin, Iurii Alekseevich. Fixed Points. Providence, EUA: American Mathematical Society.
Cita MLA (9a ed.)
Shashkin, Iurii Alekseevich. Fixed Points. American Mathematical Society.
Precaución: Estas citas no son 100% exactas.