@Article{ ROLDÁN_Shahzad:1-28,

author = { ANTONIO FRANCISCO ROLDÁN LÓPEZ DE HIERRO and Naseer Shahzad } ,

title = { Some fixed/coincidence point theorems under $(psi,varphi)$-contractivity conditions without an underlying metric structure },

year = { 2014 },

volume = { 2014 },

pages = { 1-28 },

doi = { http://www.fixedpointtheoryandapplications.com/content/2014/1/218 },

}