References
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- Gillespie , A.A. and Williams , B.B. 1983 . Fixed point theorems for expanding maps . Applicable Analysis , 14 : 181 – 165 .
- Krawol , B. 1933 . Remark on a fixed point theorem for expanding maps . Applicable Analysis , 16 : 121 – 122 .
- Istratescu , V.I. Expansions, u-expansions and some applications
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- Biblioaraphy on Fixed Point Theory (18-3 6 - 1983).Part I.Part II.