Some notes on fixed points of quasi-contraction maps. - Shahram Rezapour; R. H. Haghi; Naseer Shahzad (Appl. Math. Lett., 2010)

On fixed points of quasi-contraction type multifunctions. - R. H. Haghi; Shahram Rezapour; Naseer Shahzad (Appl. Math. Lett., 2012)