Shashkin, Y. .. (1991). Fixed points. Universities Press (India).
Čikaški stil citiranjaShashkin, Yu .A. Fixed Points. Hyderabad: Universities Press (India), 1991.
MLA način citiranjaShashkin, Yu .A. Fixed Points. Universities Press (India), 1991.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.