Shashkin, Y. A., Minachin, V., & Minachin, V. (1991). Fixed points. Providence: American Mathematical Society.
Παραπομπή Chicago StyleShashkin, Yu A., Victor Minachin, and Viktor Minachin. Fixed Points. Providence: American Mathematical Society, 1991.
Παραπομπή MLAShashkin, Yu A., Victor Minachin, and Viktor Minachin. Fixed Points. Providence: American Mathematical Society, 1991.
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